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29 tháng 7 2018

1. I am going to have an extra room...........

A. to add B. add C. adding D. added

2. How.......have you been to Hue?

A. often B.late C. soon D. long

3. The stream will be..........with foam

A.lasted B.composed C.replaced D.covered

4. Either John or his brother.........they keys to the car

A.has been taken B.has taken C.have taken D.have been taken

29 tháng 7 2018

câu 2 long ago chứ không phải long

1. You have never been to Ha Long Bay, ..................? A. have you B.haven't you C. you have D. you haven't 2. If only I .............play the guitar as well as you A. would B. shall C. could D. might 3. There's no need to be nervous .You're quite capable ............your final exam A. of passing B.passing C. to pass D. pass 4. As she arrived at the theatre ,she remembered that...
Đọc tiếp

1. You have never been to Ha Long Bay, ..................?

A. have you B.haven't you C. you have D. you haven't

2. If only I .............play the guitar as well as you

A. would B. shall C. could D. might

3. There's no need to be nervous .You're quite capable ............your final exam

A. of passing B.passing C. to pass D. pass

4. As she arrived at the theatre ,she remembered that she............to meet a friend somewhere else

A. promised B. had promised C. has promised D. promised

5. ''Does Jack know about your project '' .''Yes, I told him..................to do''

A. what was I planning B. what I have planned

C. what did I plan D. what I was planning

6. If you have finished the test ,you.................the room

A. would B. may laeve C. may be laeving D. could laeve

7. I wish you ....................me how to do this excise

A. can help B. will help C. could help D. should help

8. The chidren.................to the zoo

A. were enjoyed taken B. enjoyed being taken

C. were enjoyed taking D. enjoyed taking

9. I ..................detective stories but I don't anymore

A. was enjoyed taken B.was used to enjoy

C. were enjoyed taking D. enjoyed taking

10. It was ..............an interesting book that he couldn't put it down

A. very B.enough C.such D. so

11. We welcome you to our city .You.........to our city

A. welcome B.are welcome C.have wecomed D.are welcoming

12. The floor in the room was to was so dirty as if it................for days

A. hadn't swept B.hadn't been swept

C. haven't been swept D. wouldn't have swept

3
7 tháng 8 2017

1. You have never been to Ha Long Bay, ..................?

A. have you B.haven't you C. you have D. you haven't

2. If only I .............play the guitar as well as you

A. would B. shall C. could D. might

3. There's no need to be nervous .You're quite capable ............your final exam

A. of passing B.passing C. to pass D. pass

4. As she arrived at the theatre ,she remembered that she............to meet a friend somewhere else

A. promised B. had promised C. has promised D. promised

5. ''Does Jack know about your project '' .''Yes, I told him..................to do''

A. what was I planning B. what I have planned

C. what did I plan D. what I was planning

6. If you have finished the test ,you.................the room

A. would B. may laeve C. may be laeving D. could laeve

7. I wish you ....................me how to do this excise

A. can help B. will help C. could help D. should help

8. The chidren.................to the zoo

A. were enjoyed taken B. enjoyed being taken

C. were enjoyed taking D. enjoyed taking

9. I ..................detective stories but I don't anymore

A. was enjoyed taken B.was used to enjoy

C. were enjoyed taking D. enjoyed taking

10. It was ..............an interesting book that he couldn't put it down

A. very B.enough C.such D. so

11. We welcome you to our city .You.........to our city

A. welcome B.are welcome C.have wecomed D.are welcoming

12. The floor in the room was to was so dirty as if it................for days

A. hadn't swept B.hadn't been swept

C. haven't been swept D. wouldn't have swept

7 tháng 8 2017

1. You have never been to Ha Long Bay, ..................?

A. have you B.haven't you C. you have D. you haven't

2. If only I .............play the guitar as well as you

A. would B. shall C. could D. might

3. There's no need to be nervous .You're quite capable ............your final exam

A. of passing B.passing C. to pass D. pass

4. As she arrived at the theatre ,she remembered that she............to meet a friend somewhere else

A. promised B. had promised C. has promised D. promised

5. ''Does Jack know about your project '' .''Yes, I told him..................to do''

A. what was I planning B. what I have planned

C. what did I plan D. what I was planning

6. If you have finished the test ,you.................the room

A. would B. may laeve C. may be laeving D. could laeve

7. I wish you ....................me how to do this excise

A. can help B. will help C. could help D. should help

8. The chidren.................to the zoo

A. were enjoyed taken B. enjoyed being taken

C. were enjoyed taking D. enjoyed taking

9. I ..................detective stories but I don't anymore

A. was enjoyed taken B.was used to enjoy

C. were enjoyed taking D. enjoyed taking

10. It was ..............an interesting book that he couldn't put it down

A. very B.enough C.such D. so

11. We welcome you to our city .You.........to our city

A. welcome B.are welcome C.have wecomed D.are welcoming

12. The floor in the room was to was so dirty as if it................for days

A. hadn't swept B.hadn't been swept

C. haven't been swept D. wouldn't have swept

26 tháng 8 2017

Bài 1:
1. The mountains can be seen.......a great distance

A. at B. in C. to D. from

2. Don't touch the window. It........

A. has just painted C. just have been painted

B. just painted D. has just been painted

3. Several people were hurt in the accident but only one.......to hospital

A. has taken B. has been talking C. was taken D. was talking

4. '' Are you sorry that you didn't take pictures?'' -Yes, I wish.........''

A. I took B. I had C. I take D. I had taken

5. So far ten houses...............

A. are built B. were built C. have been built D. have built

26 tháng 8 2017

1. The mountains can be seen.......... a great distance.

A. at B. in C. to D. from

2. Don't touch the window. It.........

A. has just painted B. just painted

C. just have painted D. has just been painted

3. Several people were hurt in the accident, but only one ......... hospital.

A. has taken B. has been taking

C. was taken D. was taking

4. "Are you sorry that you didn't take pictures?"- Yes, I wish.........

A. I took B. I had

C. I take D. I had taken

5. So far ten houses............

A. are built B. were built

C. have been built D. have built

1. when I got home I found that water...........down the kitchen walls A. run B. was running C has run D had been running 2 after he .............his Enlish course , he went to England to continue his study A has finish B had finished C was finished D would finish 3. how ..............since we ...........college a. are you/left b. were you/left c. have you been/ have left d. have you been/ left 4....
Đọc tiếp

1. when I got home I found that water...........down the kitchen walls

A. run B. was running C has run D had been running

2 after he .............his Enlish course , he went to England to continue his study

A has finish B had finished C was finished D would finish

3. how ..............since we ...........college

a. are you/left b. were you/left c. have you been/ have left d. have you been/ left

4. I................much of you lately. We ..............three months ago

A. haven't seen / last met B. didn't see/ met C. haven"t seen/ have meet D. didn"t see/have met

5. when I arrived at the meeting the first speaker............speaking and the audience........

A. just finished/were clapping B. had just finished/had clapped C. had just finished/ were clapping D. just finished/ had clapped

6. he...........his job last month and then he.......out of work

A. lost/was B. was lost/had been C. has lost/was D. lost/ has been

7. In the 19th century, it ......tow or three months to across North America by covered wagon

A. took B. had taken C. had been taken D was taking

8.she ........to Ha Noi last year

A. went B. go C. goes D. is going

9. Right now, Jim ..............the newspaper and Kathy .......dinner

A. reads/has cooked B. is reading/is cooking C. has read/ was cooking D. read/ will be coking

2
16 tháng 7 2018

1. when I got home I found that water...........down the kitchen walls

A. run B. was running C has run D had been running

2 after he .............his Enlish course , he went to England to continue his study

A has finish B had finished C was finished D would finish

3. how ..............since we ...........college

a. are you/left b. were you/left c. have you been/ have left d. have you been/ left

4. I................much of you lately. We ..............three months ago

A. haven't seen / last met B. didn't see/ met C. haven"t seen/ have meet D. didn"t see/have met

5. when I arrived at the meeting the first speaker............speaking and the audience........

A. just finished/were clapping B. had just finished/had clapped C. had just finished/ were clapping D. just finished/ had clapped

6. he...........his job last month and then he.......out of work

A. lost/was B. was lost/had been C. has lost/was D. lost/ has been

7. In the 19th century, it ......tow or three months to across North America by covered wagon

A. took B. had taken C. had been taken D was taking

8.she ........to Ha Noi last year

A. went B. go C. goes D. is going

9. Right now, Jim ..............the newspaper and Kathy .......dinner

A. reads/has cooked B. is reading/is cooking C. has read/ was cooking D. read/ will be coking

16 tháng 7 2018

1. when I got home I found that water...........down the kitchen walls

A. run B. was running C has run D had been running

2 after he .............his Enlish course , he went to England to continue his study

A has finish B had finished C was finished D would finish

3. how ..............since we ...........college

a. are you/left b. were you/left c. have you been/ have left d. have you been/ left

4. I................much of you lately. We ..............three months ago

A. haven't seen / last met B. didn't see/ met C. haven"t seen/ have meet D. didn"t see/have met

5. when I arrived at the meeting the first speaker............speaking and the audience........

A. just finished/were clapping B. had just finished/had clapped C. had just finished/ were clapping D. just finished/ had clapped

6. he...........his job last month and then he.......out of work

A. lost/was B. was lost/had been C. has lost/was D. lost/ has been

7. In the 19th century, it ......tow or three months to across North America by covered wagon

A. took B. had taken C. had been taken D was taking

8.she ........to Ha Noi last year

A. went B. go C. goes D. is going

9. Right now, Jim ..............the newspaper and Kathy .......dinner

A. reads/has cooked B. is reading/is cooking C. has read/ was cooking D. read/ will be coking

1. Fortunately, I .... working alone otherwise I would have got really bored at the night shift. A) was supposed to B) was to C) was used to D) would E) used to 2. I don't think it was a good idea to intervene, instead, you .... your child to abandon the habit of thumb-sucking gradually, all by himself. A) have allowed B) had allowed C) must have allowed D) were able to allow E) could have allowed 3. After the voyaging ship was wrecked during a storm at sea, unfortunately, only two of the men...
Đọc tiếp

1. Fortunately, I .... working alone otherwise I would have got really bored at the night shift.
A) was supposed to
B) was to
C) was used to
D) would
E) used to

2. I don't think it was a good idea to intervene, instead, you .... your child to abandon the habit of thumb-sucking gradually, all by himself.
A) have allowed
B) had allowed
C) must have allowed
D) were able to allow
E) could have allowed

3. After the voyaging ship was wrecked during a storm at sea, unfortunately, only two of the men on board .... swim to the small island nearby.
A) might
B) were supposed to
C) could
D) were able to
E) had to

4. I don't know why she didn't ask me how to do it as I ---- her.
A) must have helped
B) could have helped
C) might help
D) should have helped
E) could help

5. Martin ---- my tennis racket without asking my permission. I got really angry with him.
A) needn't have taken
B) must not have taken
C) shouldn't have taken
D) didn't need to taken
E) might not have taken

6. I don't know why Peter is so late; do you think he ---- lost coming here?
A) may get
B) could get
C) must have got
D) might have got
E) was to have got

7. What ---- to Phil? He said he ---- here at eight o'clock.
A) might have happened / will be
B) should have happened / has been
C) may happen / will have been
D) would happen / is
E) can have happened / would be

8. One of the US national security advisers ---- there ---- better intelligence sharing before the September 11 attacks.
A) had acknowledged / can be
B) acknowledges / might be
C) has acknowledged / could have been
D) acknowledged / must be
E) would acknowledge / will have been

9. We all think that Maria ---- an interesting person to meet as we ---- a lot of stories about her so far.
A) is / had heard
B) can be / heard
C) might have been / hear
D) would be / have heard
E) will be / will have heard

10. As a young woman who had never given birth before, she ---- what the experience of childbirth ---- like.
A) doesn't know / will be
B) may not know / is
C) must not have known / will be
D) may not know / would be
E) couldn't have known / would be

2
18 tháng 10 2017

1. Fortunately, I .... working alone otherwise I would have got really bored at the night shift.
A) was supposed to
B) was to
C) was used to
D) would
E) used to

2. I don't think it was a good idea to intervene, instead, you .... your child to abandon the habit of thumb-sucking gradually, all by himself.
A) have allowed
B) had allowed
C) must have allowed
D) were able to allow
E) could have allowed

3. After the voyaging ship was wrecked during a storm at sea, unfortunately, only two of the men on board .... swim to the small island nearby.
A) might
B) were supposed to
C) could
D) were able to
E) had to

4. I don't know why she didn't ask me how to do it as I ---- her.
A) must have helped
B) could have helped
C) might help
D) should have helped
E) could help

5. Martin ---- my tennis racket without asking my permission. I got really angry with him.
A) needn't have taken
B) must not have taken
C) shouldn't have taken
D) didn't need to taken
E) might not have taken

6. I don't know why Peter is so late; do you think he ---- lost coming here?
A) may get
B) could get
C) must have got
D) might have got
E) was to have got

7. What ---- to Phil? He said he ---- here at eight o'clock.
A) might have happened / will be
B) should have happened / has been
C) may happen / will have been
D) would happen / is
E) can have happened / would be

8. One of the US national security advisers ---- there ---- better intelligence sharing before the September 11 attacks.
A) had acknowledged / can be
B) acknowledges / might be
C) has acknowledged / could have been
D) acknowledged / must be
E) would acknowledge / will have been

9. We all think that Maria ---- an interesting person to meet as we ---- a lot of stories about her so far.
A) is / had heard
B) can be / heard
C) might have been / hear
D) would be / have heard
E) will be / will have heard

10. As a young woman who had never given birth before, she ---- what the experience of childbirth ---- like.
A) doesn't know / will be
B) may not know / is
C) must not have known / will be
D) may not know / would be
E) couldn't have known / would be

19 tháng 10 2017

1. Fortunately, I .... working alone otherwise I would have got really bored at the night shift.
A. was supposed to
B. was to
C. was used to
D. would
E. used to

2. I don't think it was a good idea to intervene, instead, you .... your child to abandon the habit of thumb-sucking gradually, all by himself.
A. have allowed
B. had allowed
C. must have allowed
D. were able to allow
E. could have allowed

3. After the voyaging ship was wrecked during a storm at sea, unfortunately, only two of the men on board .... swim to the small island nearby.
A. might
B. were supposed to
C. could
D. were able to
E. had to

4. I don't know why she didn't ask me how to do it as I ---- her.
A. must have helped
B. could have helped
C. might help
D. should have helped
E. could help

5. Martin ---- my tennis racket without asking my permission. I got really angry with him.
A. needn't have taken
B. must not have taken
C. shouldn't have taken
D. didn't need to taken
E. might not have taken

6. I don't know why Peter is so late; do you think he ---- lost coming here?
A. may get
B. could get
C. must have got
D. might have got
E. was to have got

7. What ---- to Phil? He said he ---- here at eight o'clock.
A. might have happened / will be
B. should have happened / has been
C. may happen / will have been
D. would happen / is
E. can have happened / would be

8. One of the US national security advisers ---- there ---- better intelligence sharing before the September 11 attacks.
A. had acknowledged / can be
B. acknowledges / might be
C. has acknowledged / could have been
D. acknowledged / must be
E. would acknowledge / will have been

9. We all think that Maria ---- an interesting person to meet as we ---- a lot of stories about her so far.
A. is / had heard
B. can be / heard
C. might have been / hear
D. would be / have heard
E. will be / will have heard

10. As a young woman who had never given birth before, she ---- what the experience of childbirth ---- like.
A. doesn't know / will be
B. may not know / is
C. must not have known / will be
D. may not know / would be
E. couldn't have known / would be

1 . he doesn't like to begin reading ......... a.unless he doesn't have time b.if he has plenty of time c. unless he has plenty of time d. unless he has no time 2 . if the prisoners attempt to escape from prison ....... a.he will catch b.they will catch c.they will be caught d.they will have caught 3 . if i got scholarship to england , my parents ....... very proud of me a.will be b. would be c.will have been d.would have been 4 . he won't pass...
Đọc tiếp

1 . he doesn't like to begin reading .........

a.unless he doesn't have time b.if he has plenty of time c. unless he has plenty of time d. unless he has no time

2 . if the prisoners attempt to escape from prison .......

a.he will catch b.they will catch c.they will be caught d.they will have caught

3 . if i got scholarship to england , my parents ....... very proud of me

a.will be b. would be c.will have been d.would have been

4 . he won't pass his examination ......

a.unless he is diligent b.unless he was diligent c. if he not diligent enough d . unless he wasn't diligent

5 . ..........., you will succeed

a. work hard b.working hard c.if you work hard d. if only you work hard

6 . i am not an astronaut . if i .........an astronaut , i .........my camera with me on the rocket ship

a.am/will take b.was/would take c. were / had taken d.was/ would have taken

7 . don't throw aerosol into a fire . an aerosol .........if you.........it into a fire

a.will be exploded/ throw b . would explode/threw c.explodes/will throw d.can explode/throw

1
12 tháng 8 2018

1 . he doesn't like to begin reading .........

a.unless he doesn't have time b.if he has plenty of time c. unless he has plenty of time d. unless he has no time

2 . if the prisoners attempt to escape from prison .......

a.he will catch b.they will catch c.they will be caught d.they will have caught

3 . if i got scholarship to england , my parents ....... very proud of me

a.will be b. would be c.will have been d.would have been

4 . he won't pass his examination ......

a.unless he is diligent b.unless he was diligent c. if he not diligent enough d . unless he wasn't diligent

5 . ..........., you will succeed

a. work hard b.working hard c.if you work hard d. if only you work hard

6 . i am not an astronaut . if i .........an astronaut , i .........my camera with me on the rocket ship

a.am/will take b.was/would take c. were / had taken d.was/ would have taken

7 . don't throw aerosol into a fire . an aerosol .........if you.........it into a fire

a.will be exploded/ throw b . would explode/threw c.explodes/will throw d.can explode/throw

19 tháng 8 2017

Bài 2
1. You have never been to Ha Long Bay,......?

A. have you B. haven't you C. you have D. you haven't

2. There's no need to be nervous. You're quite capable........your final exam

A. of passing B. passing C. to pass D. pass

3. I wish you........me how to do this exercise

A. can help B. will help C. could help D. should help

4. The children....to the zoo

A. were enjoyed taken B. enjoyed being taken

C. were enjoyed taking D. enjoyed taking

5. I........detective stories but I don't anymore

A. was used to enjoying B. was used to enjoy

C. used to enjoy D, used to enjoying

16 tháng 8 2017

1. During the last couple of years they.........very happy

A. haven't B. weren't C. aren't D. didn't

2. Nowadays Jeans..............all over the world

A. is sold B.are sold C. sold D. sell

3.Lan feels sick.She wishes she ............so many cakes

A. didn't eat B. doesn't eat C. ate D. hadn't eaten

4. When I was young .I used to........to school by may mother

A. be taken B. being taken C. take D. taking

5. Modern patterns...........to the Ao dai to make it more fashionable

A. has been added B.have been added C. are added D. added

16 tháng 8 2017

1. During the last couple of years they.........very happy

A. haven't B. weren't C. aren't D. didn't

2. Nowadays Jeans..............all over the world

A. is sold B.are sold C. sold D. sell

3.Lan feels sick.She wishes she ............so many cakes

A. didn't eat B. doesn't eat C. ate D. hadn't eaten

4. When I was young .I used to........to school by may mother

A. ba taken B. being taken C. take D. taking

5. Modern patterns...........to the Ao dai to make it more fashionable

A. has been added B.have been added C. are added D. added

Chọn đáp án đúng 1. The photos ……………….. in a London studio last week. A. were taken B. Have taken C. was taken D. have been taken 2. The car ……………….. by my father yesterday A. were washed B. was washrd C. washed D. has been washed 3. When the boy ……………….. the car he was badly yesterday A. is hit by B. was hit by C. hit D. was hitting 4. The new motorway ……………….. and built last year A.planted B. was planned C. was...
Đọc tiếp

Chọn đáp án đúng

1. The photos ……………….. in a London studio last week.

A. were taken

B. Have taken

C. was taken

D. have been taken

2. The car ……………….. by my father yesterday

A. were washed

B. was washrd

C. washed

D. has been washed

3. When the boy ……………….. the car he was badly yesterday

A. is hit by

B. was hit by

C. hit

D. was hitting

4. The new motorway ……………….. and built last year

A.planted

B. was planned

C. was planning

D. had planned

5. Many mistakes ……………….. made

A.has been just

B. have just been

C. is just

D. to be just

6. His father gave him a very expensive cell phone on his last birthday

A. He is given a very expensive cell phone on his last birthday

B. He was given a very expensive cell phone on his birthday

C. He had been given a very expensive cell phone on his birthday

D. He has been given a very expensive cell phone on his birthday

7. What will happen if the air ………………..?

A. was polluted

B. be polluted

C. is polluted

D. has polluted

8. They are building a new zoo near my village

A. A new zoo is being built near my village

B. A new zoo will be built near my village

C. A new zoo is built near my village

D. A new zoo is being building near my village

9. Most forests in other climatic areas ………………… by human beings

A. had already been affected

B. have already been affecting

C. have already affected

D. have already been affected

1
25 tháng 8 2020

1. The photos ……………….. in a London studio last week.

A. were taken

B. Have taken

C. was taken

D. have been taken

2. The car ……………….. by my father yesterday

A. were washed

B. was washed

C. washed

D. has been washed

3. When the boy ……………….. the car he was badly yesterday

A. is hit by

B. was hit by

C. hit

D. was hitting

4. The new motorway ……………….. and built last year

A.planted

B. was planned

C. was planning

D. had planned

5. Many mistakes ……………….. made

A.has been just

B. have just been

C. is just

D. to be just

6. His father gave him a very expensive cell phone on his last birthday

A. He is given a very expensive cell phone on his last birthday

B. He was given a very expensive cell phone on his birthday

C. He had been given a very expensive cell phone on his birthday

D. He has been given a very expensive cell phone on his birthday

7. What will happen if the air ………………..?

A. was polluted

B. be polluted

C. is polluted

D. has polluted

8. They are building a new zoo near my village

A. A new zoo is being built near my village

B. A new zoo will be built near my village

C. A new zoo is built near my village

D. A new zoo is being building near my village

9. Most forests in other climatic areas ………………… by human beings

A. had already been affected

B. have already been affecting

C. have already affected

D. have already been affected

exercise1: choose the correct answer I.......less than an hour when i ran out of petrol a.drive b.drove c.have been driving d.had been driving 2. how long........ he been working when you came? a.has b. does c. had d. is 3.her eyes are red because she......... a, cry b. have cried c.has been crying d, had been crying 4. her eyes were red because she...... a. cry b. have cried c. has been crying ...
Đọc tiếp

exercise1: choose the correct answer

I.......less than an hour when i ran out of petrol

a.drive b.drove c.have been driving d.had been driving

2. how long........ he been working when you came?

a.has b. does c. had d. is

3.her eyes are red because she.........

a, cry b. have cried c.has been crying d, had been crying

4. her eyes were red because she......

a. cry b. have cried c. has been crying d. had been crying

5. when we came, they .......

a. are learning b.were learning c. have learned d. learned

exercise 2 which underlined part is not correct(chọn cau sai và sữa lỗi cho đúng)mk ko gạch chân ở dưới những từ được nên để câu abcd thế

1. when we woke him up, he has been sleeping for two hour

a. when b. up c. has been sleeping d. for

2. yesterday when i arrived at the airport, the plane has taken off for 30 minutes

a.when b. ar the airport c. has taken d. for 30minutes

3.everyday Mary usually got up at 6 o'clock to do morning exercises

a. usually b. got up c. to do d. morning

4. one day i was driving along the stress.Suddenly i realized i has been driving in a wrong way

a. one day b. was driving c. realized d. has been driving

5. Paul has graduated from university for two years. Up to now he has found a good job yet.

a.from b.for two years c, up to now d. has found

exercise 3: put each verb in the brackets into past perfect continous

1 the anthropologist left the village when she (collect)................... enought data

2. it was wet because it(rain)......................his work, he locked the door and went home.

3 after johnson (finish).................his work. he locked the door and went home.

4.the police( look)........................for the criminal for two years before they caught him

5. he was out of breath. he (run)............................

6. when i got up, i found that the ground was wet. it(rain)...................

4
17 tháng 7 2019

Exercise1: Choose the correct answer:

1. I ....... less than an hour when I ran out of petrol.

a. drive b. drove c. have been driving d. had been driving

2. How long ........ he been working when you came?

a. has b. does c. had d. is

3. Her eyes are red because she .........

a. cry b. have cried c. has been crying d. had been crying

4. Her eyes were red because she ......

a. cry b. have cried c. has been crying d. had been crying

5. When we came, they .......

a. are learning b. were learning c. have learned d. learned

17 tháng 7 2019

Exercise 2: Which underlined part is not correct:

1. When we woke him up, he has been sleeping for two hour.

a. when b. up c. has been sleeping d. for

2. Yesterday when I arrived at the airport, the plane has taken off for 30 minutes.

a. when b. at the airport c. has taken d. for 30minutes

3. Everyday Mary usually got up at 6 o'clock to do morning exercises.

a. usually b. got up c. to do d. morning

4. One day I was driving along the stress. Suddenly I realized I has been driving in a wrong way.

a. one day b. was driving c. realized d. has been driving

5. Paul has graduated from university for two years. Up to now he has found a good job yet.

a. from b. for two years c. up to now d. has found