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46. Mr. Viet started collecting stamps two years ago.
A. Mr. Viet has started collecting stamps for two years.
B. Mr. Viet has been collected stamps for two years ago.
C. Mr. Viet has collected stamps for two years ago.
D. Mr. Viet has collected stamps for two years.
47. He hasn’t cleaned his room for days.
A. he started cleaning his room days ago.
B. it is days since he has cleaned his room.
C. He last cleaned his room days ago.
D. he has never cleaned his room.
48. Johnny is almost as tall as Bob now.
A. Johnny and Bob are almost the same tall now.
A. Johnny was not as tall as Bob in the past.
C. Johnny and Bob are almost the same height now.
D. Johnny is a little bit taller than Bob now.
49. I have never listened to ghost stories before.
A. This is the first time I listened to ghost stories.
B. These are the first Ghost stories I listen to.
C. This is the first time I have listened to ghost stories.
D. This is the first time I listen to ghost stories.
50. No one in the family is more sympathetic then Laura.
A. The people in the house is not sympathetic at all.
B. Laura is very sympathetic.
C. Laura is the most sympathetic of all the people in the house.
D. Laura is more sympathetic than many people in the house.
46 D Mr. Viet has collected stamps for two years.
47 C He last cleaned his room days ago.
48 CJohnny and Bob are almost the same height now.
49 C This is the first time I have listened to ghost stories.
50 C Laura is the most sympathetic of all the people in the house.
NHA 
1/ Our recess is thirty minutes long
--->We have a thirty-minute recess.
2/ Lan learns English very well
---> Lan is very good at English
3/ Which class does mai like best ?
---> What is Mai's favorite class?
4/ My hobby is collecting stamps
---> I am interested in collecting stamps.
1/ Our recess is thirty minutes long
--->We have a thirty-minute recess.
2/ Lan learns English very well
---> Lan is very good at English
3/ Which class does mai like best ?
---> What is Mai's favorite class?
4/ My hobby is collecting stamps
---> I am interested in collecting stamps.
1.Lan invented telephone.
=>Lan was invented telephone .
2.The front yard is too small to play soccer in.
=>The front yard isn't small enough to play soccor in .
3.Mai began to collect stamps in 2000.
=>Mai has collected stamps since 2000 .
1.Lan has learnt English for three years
Lan started learning three years ago
2.She s collecting dolls from foreign countries
She is fond collecting dolls from foreign countries
3.We usually lock the safe carefull
The safe is usually locked careful
4.we can get to the art gallery in half an hour
It only takes half an hour for us to get the art gallery
2. Bang began raising birds in May
Bang has…raised birds since May…………………………………………………………………………..
3. Van started collecting stamps on Sunday
Van has…………collected stamps since Sunday……………………………………………………………………
4. Hang began listening to music at 8 o’clock
Hang has……listened to music since 8 o’clock …………………………………………………………………………..
5. They began building this house 2 months ago
They have ………built this house for 3 months……………………………………...........................................……
6. My father started to work in this factory last week
My father has……worked in this factory since last week………………………………….....................................................…
7. He started living in Ho Chi Minh city when he was 8
He has ……lived in Ho Chi Minh city since he was 8…………………………………………………………...............…
8. He learnt English when he was 18
He has ………learnt E since he was 18……………………………………………………………………...
9. They have worked in that factory for five years.
They began …working in that factory 5 years ago…………………………………………………………..........
10. We have learnt English for four years.
We started......learning E 4 years ago................................................................................................
Ba has collected stamps for 3 years
We have lived here for 20 years
I haven't seen Nam for five years
Lan started to learn French since 2000
-> Lan has been learning French since 2000
chúc hok tốt
1.I started collecting the sheel two years ago
=> i have collected the sheel for 2 years.
2. we find collecting the shell interesting
=> we are interested in collecting the shell.
3.he spent one hour doing homework last night
=> it took him one hour to do homework last night .
4. collecting stamps is her hobby
=> she is interested in collecting stamps.
5. they enjoy chatting together in English
=> they are interested in chatting together in English.
Lan has collected stamps since 2015.
Lan has collected stamps since 2015