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1.Tom hasn't had his hair cut for five months => The last time Tom had his hair cut was five months ago.
2.after walking for three hours we reached the stop of the hill => After we had walked for three hours we reached the top.
3.i and Dave tried to ring each other at the same time => While ringing to each other, Dave and I tried to do at the same time.
4.during his test at school mobile phone rang => When doing his test at school the moblie phone rang.
5. Mary made a sandwich and then sat on sofa to wacth tv=> Before sitiing on the sofa to watch T.V, Mary made a sandwich.
6.Dave did his homework and then went to bed=> After having done his homework, Dave went to bed.
7.as soon as he approached the house the policement stopped him => No sooner had he approached the house when the policeman stopped him.
8.she hadly begun to speak before people started interrupting her=> Hardly had she begun to speak when people started interrupting her
9.Mai hasn't gone to the cinema with her friends for one years => Mai last went to the cinema with her friends one year ago.
10.In the middle of their sleep the fire broke out => When they were sleeping, the fire broke out.
1. She did the experiment in laboratory, didn't she?
2. Jack won't take that course, will he?
3. Something is in her eye, isn't it?
1. Because they are/ Being vegetarians, they dont eat meat
2.Having seen the photographs of the places, i had no desire to go there
3.No having money, we stayed at home
4.Having drunk too much, He did not drive home himsefl
5.Seeing a snake on road, Mary screamed
6.Having spent all his money, Tom went home and asked father for a job
7.Not having visited HL bay before, Susan want to take a trip to there
8.Having heard the story before, she didnot want to hear it again
9.Seeing the dog coming towards her, she quickly crossed the road
10.Not having a credit card, I found it difficult to book an airline ticket over the phone
1. Jack left the office before i arrived
-> When I arived the office, Jack had left
2.During lunch, someone rang the bell
-> While i was having lunch, someone rang the bell.
3. I haven't been to the dentist for 6 months
-> The last time I went to the dentist was 6 months ago.
4. She has studied Japanese for 5 years
-> She began studying Japanese for 5 years.
5. She did all his work and then went to home
-> After doing all his work, he went to home.
6. Steven bought a new motorbike, but first he saved enough money
-> Before buying a new motorbike, Steven saved enough money.
7. The guests left and then we tidied the house
-> When we tidied the house, the guests had left.
8. I haven't heard fro them for ages
-> It 's ages since I last heard from them.
1. Although he often tells lies, the headmaster believes him.
=> In spite of telling lies, the headmaster believes him.
2. In spite of her dislike for coffee, she drank it to keep herself warm. => Although she doesn't like coffee, she drank it to keep herself warm.
3. He couldn't earn enough money for living although he worked hard. => Despite his working hard, Hhe couldn't earn enough money for living.
4. Although Jane wrote for the tickets, she still had to stand in line.
=> In spite of writing for the tickets, Jane still had to stand in line.
5. We get a good room though we didn't phone the hotel.
=> Despite not phoning the hotel, we get a good room.
6. She was admitted to the university in spite of her low grades.
=> Although her grades were low, she was admitted to the university
7. Despite the terrible food, he still eats in that restaurant.
=> Although the food is terrible, he still eats in that restaurant.
8. We did the test well though it was difficult.
=> In spite of the difficult test, we did it well.
9. The flight was not delayed though it was foggy.
=> Despite the fog, the flight was not delayed.
10. Although he is talented, no one likes him.
=> In spite of being talented, no one likes him.
1. Tom asked me if I had enjoyed my trip.
2. She asked him who had bought she had given the message to (?)
3. Nancy wanted to know if I had seen her new grammar book.
4. His friend asked him if he had finished the above sentences.
5. John asked me who I would have given the message to.
P/s : cậu xem lại đề bài c2 vs
46. after the students had known about the results of the mid-term tests they were very excited
-> having known about the results of the mid-term tests, the students were very excited
47. Mary read her favorite book and then she went to the supermarket to buy some food for lunch
-> before mary went to the supermarket to buy some food for lunch, she had read her favorite book
48, the boy went out with his friends without parent's permission last week. he admitted that
- the boy admitted to having gone out with his friends without parent's permission the previous week
49. many students want to take the bus to go to school on time
- many student look for the bus to go to school on time
50, its good for you to learn a foreign language before leaving your high school
-you had better learn a foreign language before leaving your high school
36. it is important for parents _________their children up form school (to pick)
15, do not swear at school. such behaviours and language are not ___ in my school
a. acceptable b. unacceptably c. accept d, unacceptable
1 did the experiment in the laboratory, didn't she?
4 didn't allow him to go out, did they?
5 looked bored in the class, didn't they?
6 have taken five pictures, haven't they?