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81. Ba is a new comer, and so was Tom.=> Both Ba and Tom are new comers.
82. This lecture bores me.=> I am ..bored of this lecture........... 8.3. This is the most delicious cake I have ever tasted.=> I ...have never tasted a more delicious cake than this cake before............
84.She left university 2 years ago.=> It’s 2 years since she left the university.................................................
85. they had sold the house at the end of the road.==> The house .at the end of the road had been sold .................. ..
86. It‘s careless of you to leave the window Open last night.=> You should not..leave the window open....
87.You will catch a cold if you don’t keep your feet dry. => Unless....you keep your feet dry, you will catch a cold................
88. We couldn’t go to shool because it rained.=> Because of..raining, we couldn't go to school.......
89.Although he is old, he often plays tennis. => In spite of ...his old age, he often plays tennis....
90.Tom is not used to working so hard => Tom is in ..the habit of working less hard........
91. The day was so cold that we stayed indoor.==> lt..was such a cold day that we stayed indoor...
92. the man was too tired to keep on working.=>The man was so..tired to keep on working......
93. TV programmes attract so many viewers. They can satisfy every taste => Because..TV programmes can satisfy every taste, they attract so many viewers.........
94. He is not good at English, He can’t get the job.=> If...he were good at English, he could get the job.....
95. Nam washes his car every week=> Nam wishes his car....to be cleaned every week....
96. he used to wait there all the time => He used to wait there…all day……
97. My friend had the Storekeeper deliver the book case.=> My friend asked…the Storekeeper to deliver the book case……
98. My brother can be so annoying some times.=> I am so annoyed by my brother some times........
90. Mai was encouraged by the news => The news..was encouraging to Mai.........
100. Ba made that dress himself=> The dress..was made by Ba......
101. I have never read such a romantic story =>This is…the most romantic story I have ever read……
102 Everyone heard about the accident before I did => I was the last one to hear about the accident
103. the film star wore dark glasses so that no one would recognize him => the film star avoid..being recognized by wearing dark glasses......
104. we didn't arrive in time to see her => we weren't early..enough to see her......
105. If you don't have a rest, you really will he ill=> unless..you have a rest, you really will be ill.
106. the water was so cold that the children could not swim in it=> the water was not..warm enough for the children to swim in.....
107. Ba was arrested by the police=> the police arrested Ba
108. there are a number of people waiting to see you => A number of people ..are waiting to see you.....
109. I hope to see you at Christmas => I am .looking forward to seeing you at Christmas........
110. your hair is too long , You'd better have it cut => your hair.needs cutting/to be cut.........
111. are you against working on Sunday? => do you object.to working on Sunday?........
112. I have to writes 6 letter a day=> There are..6 letters to be written today........
113. people always laugh at his funny face, he does not like it=> he dislike..being laughed at (his funny face).........
I.Rewrite the following sentences:
1.They should not tell him about me.-> He had...better not tell him about me...
2.We can't have lunch in the garden because it's raining. -> If it......weren't raining,we could have lunch in the garden......
3.They say he is a dangerous prisoner. -> He.....is said to be a dangerous prisoner............
4. He is not able to drive a car, so we can't go by car. -> If he.....were able to drive a car,we could go by car..........
5. We didn't know your address, so we couldn't write to you a letter. -> If we....had known your address,we could have written to you a letter.....
6. She is very hungry now because she hasn't eaten breakfast. -> If she..ate breakfast,she wouldn't be very hungry now.....
7. If she has been offered the job, she would have taken it. -> Unless he.....she has been offered the job, she wouldn't have taken it........
8. She didn't want to hear the story again. She had heard it before. (Having heard)
=>Having heard the story before She didn't want to hear it again
9."What shall we do during the Tet holiday" (the children discussed)
=>The children discussed that Should they do during the Tet holiday?
10. The new teacher entered the room. He was presented with a big bunch of red roses. (after)
=>After entering the room,the new teacher was presented with a big bunch of red roses.
11. Don't read your readings in bad light. Your eyes will be ruined soon. (If)
=>If you read your readings in bad light,Your eyes will be ruined soon.
II.Put a suitable preposition in each blank:
1.Have you ever said “good bye” ……to….. your mother yet ?
2. He was ill …for…… a week and …during………that week his wife never left his side.
3. We bought it ……….. $5 ……… a second hand shop.
4. Our arrangement …for…….. tomorrow is …………. .
5. When I read him the report , he listened.........to............... me ........in.............. a surprise.
6. He threw 3 stones.......at..................... his attackers, trying to drive them........away......
7. The child insisted......on............... a pair of shoes bought.......with...... 150,000 dong.
1. Rewrite the following sentences beginnig as shown, so that the meaning remains the same.
a. The factory is producing more and more pollution.
--> More anh more pollution is being produced by the factory
b. He drives carelessly , so he usually has accidents.
--> He is such.......a careless driver that he usually has accidents
c. He has been collecting stamps for three years.
--> He started..........collecting stamps three years ago
d. I don't really want to go to the museum.
--> I'd rather.......not go to the museum
e. Vicky is too young to join the club.
--> Vicky is not.........old enough to join the club
f. I wrote thí essay in three hours.
--> It took.............me three hours to write this essay
g. How long is it since you last saw Ann?
--> When.........did you last see Ann ?
h. You will catch a cold if you don't keep your feet dry.
--> Unlesss.........you keep your feet dry, you will catch a cold
i. The police let him leave last they had questioned him.
--> He was......released after being questioned by the police
k. I haven't seen that man here before.
--> It's........the first time I have seen that man here
l. The furniture was so expensive that i didn't buy it.
--> The furniture was too...........expensive for me to buy
m. I'm always nervous when i travel by air.
--> Travelling.............by air always makes me nervous
2. Complete the second sentences so that it has a similar meaning to the first one, using the word given in brackets.Do not chang the words in anyway.
a. he didn't wake up early, but now she does (used)
-->She..........used to wake up........ early.
b. They haven't talked to each other for 2 years. (since)
--> It's...2 years since they talked...... to each other.
c. She has never heard such a ridiculous lie (most)
--> It's the..most ridiculous lie she has.. ever heard.
d. He hasn't been to school for four days. (absent)
--> He....has been absent from... school for 4 days.
1. Rewrite the following sentences beginnig as shown, so that the meaning remains the same.
a. The factory is producing more and more pollution.
--> More anh more.....................pollution is being produced by the factory........................
b. He drives carelessly , so he usually has accidents.
--> He is such.......a careless driver that he usually has accidents............
c. He has been collecting stamps for three years.
--> He started..........collecting stamps three years ago..........
d. I don't really want to go to the museum.
--> I'd rather...........not go to the museum...........
e. Vicky is too young to join the club.
--> Vicky is not.........old enough to join the club.........
f. I wrote thí essay in three hours.
--> It took.............me three hours to write this essay.............
g. How long is it since you last saw Ann?
--> When.........did you last see Ann?............
h. You will catch a cold if you don't keep your feet dry.
--> Unlesss.........you keep your feet dry, you will catch a cold.........
i. The police let him leave last they had questioned him.
--> He was......released after being questioned by the police........
k. I haven't seen that man here before.
--> It's........the first time I have ever seen that man here.............
l. The furniture was so expensive that i didn't buy it.
--> The furniture was too...........expensive for me to buy.............
m. I'm always nervous when i travel by air.
--> Travelling.............by air always makes me nervous..............
2. Complete the second sentences so that it has a similar meaning to the first one, using the word given in brackets.Do not chang the words in anyway.
a. he didn't wake up early, but now she does (used)
-->She..........used to wake up........ early.
b. They haven't talked to each other for 2 years. (since)
--> It's................2 years since they last talked............ to each other.
c. She has never heard such a ridiculous lie (most)
--> It's the...........most ridiculous lie she has......... ever heard.
d. He hasn't been to school for four days. (absent)
--> He..................has been absent from.............. school for 4 days.
Viết lại câu sao cho nghĩa ko đổi:
1. His parents made him study hard for his exam.
=> He was made to study hard for his exam.
2. " You shouldn't ride your bike too fast". I said to Nam.
=> I advised Nam not to ride his bike too fast.
3. I started learing English since I was 7 years old.
=> I have learned English since I was 7 years old.
4. I don't have enough money with me now, otherwise I will buy that coat.
=> If I had enough money with me now, I would buy that coat.
5. We don't visit you very often because you live so far away.
=> If you didn't live so far away, we could visit you very often.
6. I can't sing beautifully so I can't join them now.
=> I wish I could sing beautifully.
7. She hasn't gone out with him for 5 months.
=> The last time she went out with him was 5 months ago.
8. I have never seen such a bad film as that one in the cinema.
=> That is the first time I have ever seen such a bad film as that one in the cinema.
I.
1. I was very interested in our conversation.
-> It was interesting to talk to you
2. Why ***** you do that ?
-> Whatever would you do that for?
3. These bookshelves are my own work.
-> I made these bookshelves by myself
4. I don't play tennis as well as you do.
-> you play tennis better than I do
5. I haven't been to the dentist's for two years
->It's two years since I last went to the dentist's
6. Whenever she went to Paris she bought a new dress.
-> She never went to Paris without buying a new dress.
7. I spent seven years at secondary school and then I went to university.
-> After spending seven years at secondary school, I went to university.
8. It's not worth living to make her change her mind.
->there's no point in living to make her change her mind
9.London is such as crowded city that we cannot go about quickly and easily
-> The city of London is so crowded that we cannot go about quickly and easily
10. The delayed their picnic because of the violent typhoon.
-> Because the typhoon was violent, they delayed their picnic
11. Inspite of his poverty, he studies very well.
-> He studies very well although he is poor
12.Airplane is more often used by tourists nowadays.
->nowadays, tourists uses Airplane more often
II. Use the suggested words and phrases to write a complete story
1. Tom/Jack/ go/movies/last week.
Tom and Jack went to the movies last week.
2.Film / be good / but / it / be longer /they thought.
the film was good but is was longer than they thought
3.When/come out /the cinema /last bus /had gone.
When they came out of the cinema, the last bus had gone
4.They/not know/how/get home.
They didn't know how to get home
5. Tom/want/get a taxi/but/Jack/not agree.
Tom wanted to get a taxi but Jack didn't agree
6.Final/they/start/walk home
Finally,they started to walk home.
7. It/be/very long walk
It was a very long walk
8. They/ begetting tired/ suddenly/a car/stop/next to them.
they were getting tired ,suddenly,a car stopped next to them
9. To their surprise / it / be/ neighbor of theirs.
to their surprise,it was a neighbor of theirs
10. They / be happy / see/him / because / get a ride home.
they were happy to see him because they got a ride home
1)I haven't seen this film before---> This is the first time I've seen this film
2) I was not there at the time, he said --->He denied being there at the time
3) The bus takes longer than the train----> The train does not take as long as the bus
4) I have never seen such a mess in my life! ------>Never in my life have I seen such a mess
5) My father is the owner of that car ------> That car belongs to my father
1)I haven't seen this film before
---> This is____the first time I have seen this film_______
2) I was not there at the time, he said
--->He denied____not being there at the time_____
3) The bus takes longer than the train
----> The train does_____not take as long as the bus ________
4) I have never seen such a mess in my life!
------>Never in ____my life have I seen such a mess____________
5) My father is the owner of that car
------> That car__belongs to my father______
Tự vẽ hình nha.
c. Ta có: \(\left\{{}\begin{matrix}\widehat{BFA}=\widehat{FIA}+\widehat{IAF}\\\widehat{FAB}=\widehat{MAB}+\widehat{FAM}\end{matrix}\right.\)
Mà \(\widehat{FIA}=\widehat{MAB}\) (Cùng phụ \(\widehat{ABI}\) )
Và \(\widehat{IAF}=\widehat{FAM}\) (gt)
\(\Rightarrow\widehat{BFA}=\widehat{FAB}\) Hay \(\Delta ABF\) cân tại B.
Mà \(BE\perp AF\) ( \(\widehat{AEB}=90^0\) )
Nên \(AE=EF\) (1)
Ta lại có: \(\left\{{}\begin{matrix}HK\perp AE\\\widehat{HAE}=\widehat{KAE}\end{matrix}\right.\) Suy ra \(\Delta AHK\) là tg cân.
\(\Rightarrow HE=EK\) (2)
Từ (1)(2)suy ra \(AHFK\) là hình bình hành.
\(\Rightarrow FK//IA\)
Hay \(AIFK\:\) là hình thang. Để AIFK nội tiếp được đường tròn thì \(\widehat{BIA}=\widehat{IAM}\) \(\Rightarrow\widehat{BIA}=\widehat{ABI}\) \(\Rightarrow\widehat{MBA}=\widehat{MAB}=45^0\)
Hay M là điểm chính giữa cung AB./.
Có gì không hiểu cứ hỏi mình nha. !
Exercise 4 :
2, When I slow, I will late for the flight.
Rewrite the following sentenses so that the second sentence means nearly exactly the same as the first one.
1. They have learnt English for ten years now.
=> They started to learn English ten years ago.
2. She started to give up smoking last year.
=> She has given up smoking since last year.
3. Tom and Mary have worked in that factory since 1990.
=> Tom and Mary started to work in that factory in 1990.
4. I haven't written to you for a month.
=> I last wrote to you a month ago.
5. I have lived in Hue since I was an eleven-year-old girl.
=> I started to live in Hue when I was an eleven-year-old girl.
6. He hasn't seen her for twelve years now.
=> He last saw her twelve years ago.
7. How long have you learned French?
=> How long ago did you learn French?
8. When did you start to listen to pop music?
=> How long have you listened to pop music?
...........Chúc bạn học tốt.............
------------
---
--------------
Rewrite the following sentenses so that the second sentence means nearly exactly the same as the first one.
1. They have learnt English for ten years now.
=> They started to learnt English ten years ago.
2. She started to give up smoking last year.
=> She has given up smoking for a year.
3. Tom and Mary have worked in that factory since 1990.
=> Tom and Mary started to work in the factory in 1990.
4. I haven't written to you for a month.
=> I last wrote to you a month ago.
5. I have lived in Hue since I was an eleven-year-old girl.
=> I started to live in Hue when I was an eleven-year-old girl.
6. He hasn't seen her for twelve years now.
=> He last saw her twevle years ago.
7. How long have you learned French?
=> How long ago did you start to learn French?
8. When did you start to listen to pop music?
=> How long have you listened to pop music?
57. Did you enjoy yourself last night? (time)
did you have a good time last night?
58. ldon‘t want to go to the party tonight > I don' t feel like. ..going to the party tonight......
59. She can' t have more children because of her age. > She is too .....old to have more children......
60. He lost his money simply because he wasn' t careful > If .....he had been careful, he wouldn't have lost his money simply.......
61 Tom and Mary moved to Paris 20 years ago. >lt is.....20 years since tom and mary moved........ ............
62. I haven’t seen so much rain for along time. ==> It....is a long time since I saw so much rain......
64. It is high time for US to go home => It is high time we .......went home..... .....
65. You can’t go in to this restaurant without a jacket and tie. =>Unless ...you have a jacket and tie, you can't go into this restaurant ...
66. The question was so difficult that no one could answer it. ==> It was such ...the difficult question that no one could answer it......
67 She hasn’ t finished the letter yet. => This letter ...hasn't been finished yet...
68. He isn't good at English. He can' t get a job. => If. ......he were good at english, he could get a job...............
69 Mary doesn't spend much money. She spent much money last month => Mary doesn' t....spend as much money this year as she did last month.....
70. The weather isn't t fine We can ’t go for a walk in the woods. => If ........the weather was fine, we could go for a walk in the woods............ ..
71. I' ll ask someone to make a new dress. --> I'll have ......a new dress made..........
72. The bridge might be built in a hurry.=>. People ....... . ..........might build the bridge in a hurry..... ................. . .....
73. You really should be able to dress yourself by now.=> It’s high time ....you dressed yourdress....
74. i wish i hadn’t told him what we were planning to do that evening.=> I regret ...telling him what we were planning to do that evening. ....
75. I have never eaten with knives and folks before. => This is ....the first time i have eaten with knives and folks....
76. “Why don’t you ask Tom for help, Mary?” Ba said.=> Ba suggested..mary should ask tom for help...
77.Ba is too young to see horror films.=> Ba is not.....old enough to see horror films............
79. They once started these machines by hand. => They used to ..these machines by hand ..
80. He works hard and he will pass the exam. => If he...didn't work hard, he wouldn't pass the exam......
57. Did you enjoy yourself last night? (time)
=> Did you have a got time last night
58. ldon‘t want to go to the party tonight > I don' t feel like. ..going to the party tonight......
59. She can' t have more children because of her age. > She is too .old to have more children..........
60. He lost his money simply because he wasn' t careful > If ....he had been careful, he wouldn't have lost his money simply ....
61 Tom and Mary moved to Paris 20 years ago. >lt is..20 years since Tom and Mary moved to Paris....
62. I haven’t seen so much rain for along time. ==> It..a long time since I last saw so much rain........
64. It is high time for US to go home => It is high time we ..went home ....
65. You can’t go in to this restaurant without a jacket and tie. =>Unless ..you have a jacket and tie, you can't go into this restaurent....
66. The question was so difficult that no one could answer it. ==> It was such ..a difficult question that no one could answer it .......
67 She hasn’ t finished the letter yet. => This letter hasn't been finished by him yet ......
68. He isn't good at English. He can' t get a job. => If. ..he were good at English, he could get a job .....
69 Mary doesn't spend much money. She spent much money last month => Mary doesn' t.spend as much money this month as she did last month ........
70. The weather isn't t fine We can ’t go for a walk in the woods. => If .the weather fines, we will go for a walk in the woods........
72. The bridge might be built in a hurry.=>. People ..said that they might built the bridge in a hurry..
74. i wish i hadn’t told him what we were planning to do that evening.=> I regret ...telling him what we were planning to do that evening....
75. I have never eaten with knives and folks before. => This is the first time I have ever eaten with knives and folks........
77.Ba is too young to see horror films.=> Ba is not.old enough to see horror films ..........
79. They once started these machines by hand. => They used to .start these machines by hand . ..
80. He works hard and he will pass the exam. => If he.workes hard, he will pass the exam......
Còn vài câu mk chưa làm đc bn thông cảm nha!!!! 
Viết lại câu sao cho nghĩa câu k đổi:
1. He will be angry if you don't leave him alone.
---> Unless you leave him alone ,he will be angry___________________________
2. It took Tom one hour to travel to his hometown last week.
---> Tom spent one hour traveling to his hometown last week_______________________
3. "I was not there yesterday," she said.
---> She denied being there __the previous day_________________
4. I have never seen such a beautiful car in my life!
---> Never in ___my life have i seen such a beautiful car____________