11. She always rides to school.

12. After she had dinner (at 7 p.m.), she watched TV at 8 p.m.

13. No sooner had Mary left the party, they came.

14. While I was staying in Paris last summer, I met her.

15. By the time Mac Kenzie was twenty, he wrote four best-sellers.

16. Scarcely had the plane taken off when it crashed.

17. When did you see Tom?

18. It's high time you studied hard for the exam.

19. They spend 50 dollars travelling every month.

20. No sooner had he turned all the light off than he went to bed.

A. from

1. He spent 2 days decorating the living room.

2. After driving to Paris, we flew to Rome.

3. By the time we got to the hotel, Mary booked out.

8. My parents got married 40 years ago.

4. By the time he retired, he had appeared in 10 movies.

5. Before he died, he had been ill for a long time.

6. I haven't seen him since last year.

7, Maria hasn't written to me for a year.

8. While I was having my dinner, the phone rang.

9. After she had breakfast, she went to the market.

10. We started drawing the picture 4 hours ago.

5. Before my mother came home, my father had watered all the plants in the garden.

6. After having snack, we had a look...

7. They had no sooner begun work than the light failed.

No sooner had they begun work than the light failed.

Hardly had they begun work when the light failed.

8. Before going to the zoo last year, I had never seen a real tiger.

9. No sooner had he put the phone down than the boss rang back.

10. By the time he arrived, he didn't catch the train.

27. mentioned - have never heard               28. were - came          29. arrived - received              30. closed - got

1. After David had gone home, we arrived.

2. Before taking a look around the shops, we had lunch.

3. When the light had gone out, we got out of the office.

4. By the time she had explained everything clearly, we started our work.

1. Sau khi David về nhà, chúng tôi đến nơi.

2. Trước khi đi dạo một vòng các cửa hàng, chúng tôi đã ăn trưa.

3. Khi mất điện, chúng tôi ra khỏi văn phòng.

4. Vào thời điểm cô ấy đã giải thích mọi thứ rõ ràng, chúng tôi bắt đầu công việc của mình.

16. Hardly had the holiday begun when they left the town.

17. had been - started 

18. will leave - has bought - need

19. had burnt - arrived

20. had done - was

21. had already heard - told

22/ had lived - came 

23. did not - arrived - left / had already left

24. went - would win - did not have 

25. had the bell rung when the pupils went

23. did not talk - arrived - left / had already left

24. go - will stop

25. thought - would win - did not have

26 No sooner had the bell rung when the pupils went out to play.

5. asked - did not do

6 She had already posted - realized - had sent

7 Hardly had the car gone - had

8 was - had expected

9 had been married - had

10 No sooner had they sold - regretted

11 had finished - went 

12 did not eat - came 

13 told - she had never met

14 had done - went 

15 went - got / was getting

13. realized/ had met

14. told/ had lost/ didn’t know

15. had no sooner entered/ rang

1. had left/ arrived

2. wondered/ had left

3. didn’t leave/ had finished

4. had scarcely entered/ began

1 B

2 B

3 C

4 A

5 A

6 D

1 A

2 C

3B

4 C

5 B

6 C

7 B

8 D

9 A

10 B

11 A

12 B

13 B

14 C

15 D

16 B

17 A

1 D

2 B