Đáp án C.
Ý câu trên là một hành động xảy ra trước một hành động khác trong quá khứ. Hành động xảy ra trước ở thì quá khứ hoàn thành, hành động xảy ra sau ở thì quá khứ đơn.
Dịch: Tôi đã từ chối lời đề nghị vì tôi đã quyết định đã đến lúc tôi đi bơi ở biển.

A

D

D. We have learnt to swim since 2020.

cấu trúc: S+ started+ to Vo/ Ving+..... => S+ have/has+ Vp2+....

II/- Grammar and vocabulary: Choose the best answer for each sentence. (10pts)

1,It’s dangerous…………..and to drive fast. A .swim B. to swim C. swimming D. swam

2,When I …….home, my mother…….. a big cake. A.came/making C. came/was making B.come/make D. was coming/make

3,Do you mind if I………..your computer for an hour? A.used B. use C. am using D. have used

4,She arrived early………….order to get a good seat. A.on B. in C. out D. at

5,The radio was…………by Tim yesterday. A.repaired B. repairing C. repair D. repairs

6,I prefer the city………..the countryside. A.or B. from C. to D. and

7,The man…………..by the window is my uncle. A,stands B. standing C. stand D. stood

8, They’re getting married _____________ the end of June. A. on B. in C. at D.during

9, I’m sorry but you have to cook dinner _____________ A. alone you B.himself C. yourself D.on you

10, You use a _______________ to cook rice. A. steamer B. rice cooker C. saucepan D. frying pan

1 take

1. He has written to me since April.

=> The last time he wrote to me was in April

2. She hasn’t had a swim for five years.

=>  She last had a swim 5 years ago

3. They last talked to each other two months ago.

=> They haven’t talked to each other for 2 months

4. The last time she saw her elder sister was in 1999.

=>  She hasn’t seen her elder sister since 1999

5. She hasn’t written to me for years.

=>  It’s years since she last wrote to me

6. It’s two weeks since they deaned their room.

=>  They havent cleaned their room for 2 weeks

7. How long is it since you rode a bicyde?

=>  When did you last ride a bicycle

8. How long is it since he wrote to ỵou?

=>  When did he last wrote to you

9. When did he last talk to you?

=>  How long is it since he last talk to you

10. When did you last telephone him?

=>  Hong long is it since you last telephoned him

11. We have never eaten this kind of food before.

=>  It’s the first time we have eaten this kind of food

12. This is the fìrst time I have seen this fìlm.

=>  I have never seen this film before

13. This is the first time he went abroad.

=>  He hasn’t gone abroad before

14. She started driving 1 month ago.

=>  She has driven for 1 month

15. We began eating when it started to rain.

=>  We have eaten since it started to rain

16. I last had my hair cut when I left her.

=>  I haven’t had my hair cut since I left her

17. The last time she kissed me was 5 months ago.

=>  She hasn’t kissed me for 4 months

18. It is a long time since we last met.

=>  We haven’t met for a long time

19. When did you have it ?

=>  How long have you had it

20. This is the first time I had such a delicious meal .

=>  I haven’t had such a delicious meal before

21. I haven’t seen him for 8 days.

=>  The last time I saw him was 8 days ago

22. I haven’t taken a bath since Monday.

=>  It is Monday when I last took a bath

23. It's 2 years since I had a punture.

=>  I have had a punture for 2 years

24. It's 2 months since he earned any money.

=>  He has not earned any money for 2 months

1. He has written to me since April.

=> The last time he wrote to me was April.

2. She hasn’t had a swim for five years.

=>  She last had a swim 5 years ago

3. They last talked to each other two months ago.

=> They haven’t talked to each other for two months.

4. The last time she saw her elder sister was in 1999.

=>  She hasn’t seen her elder sister since 1999

5. She hasn’t written to me for years.

=>  It’s years since she last wrote to me

6. It’s two weeks since they deaned their room.

=>  They haven't cleaned their room for two weeks

7. How long is it since you rode a bicyde?

=>  When did you last ride a bicycle?

8. How long is it since he wrote to ỵou?

=>  When did he last write to you?

9. When did he last talk to you?

=>  How long is it since he talked to you?

10. When did you last telephone him?

=>  Hong long is it since you telephoned him?

11. We have never eaten this kind of food before.

=>  It’s the first time we have ever eaten this kind of food

12. This is the fìrst time I have seen this fìlm.

=>  I have never seen this film before

13. This is the first time he went abroad.

=>  He hasn’t gone abroad before.

14. She started driving 1 month ago.

=>  She has driven for 1 month

15. We began eating when it started to rain.

=>  We have eaten since it started to rain

16. I last had my hair cut when I left her.

=>  I haven’t  cut my hair since I left her

17. The last time she kissed me was 5 months ago.

=>  She hasn’t  kissed me for 5 months

18. It is a long time since we last met.

=>  We haven’t met for a long time

19. When did you have it ?

=>  How long have you had it ?

20. This is the first time I had such a delicious meal .

=>  I haven’t had such a delicious meal before

21. I haven’t seen him for 8 days.

=>  The last time I saw him was 8 days ago

22. I haven’t taken a bath since Monday.

=>  It is Monday since I last took a bath

23. It's 2 years since I had a punture.

=>  I have not had a punture

24. It's 2 months since he earned any money.

=>  He hasn't eared any money for 2 months

1. He has written to me since April.

=> The last time he wrote to me was in April

2. She hasn’t had a swim for five years.

=>  She last had a swim 5 years ago

3. They last talked to each other two months ago.

=> They haven’t talked to each other for 2 months

4. The last time she saw her elder sister was in 1999.

=>  She hasn’t seen her elder sister since 1999

5. She hasn’t written to me for years.

=>  It’s years since she last wrote to me

6. It’s two weeks since they deaned their room.

=>  They havent cleaned their room for 2 weeks

7. How long is it since you rode a bicyde?

=>  When did you last ride a bicycle

8. How long is it since he wrote to ỵou?

=>  When did he last wrote to you

9. When did he last talk to you?

=>  How long is it since he last talk to you

10. When did you last telephone him?

=>  Hong long is it since you last telephoned him

11. We have never eaten this kind of food before.

=>  It’s the first time we have eaten this kind of food

12. This is the fìrst time I have seen this fìlm.

=>  I have never seen this film before

13. This is the first time he went abroad.

=>  He hasn’t gone abroad before

14. She started driving 1 month ago.

=>  She has driven for 1 month

15. We began eating when it started to rain.

=>  We have eaten since it started to rain

16. I last had my hair cut when I left her.

=>  I haven’t had my hair cut since I left her

17. The last time she kissed me was 5 months ago.

=>  She hasn’t kissed me for 4 months

18. It is a long time since we last met.

=>  We haven’t met for a long time

19. When did you have it ?

=>  How long have you had it

20. This is the first time I had such a delicious meal .

=>  I haven’t had such a delicious meal before

21. I haven’t seen him for 8 days.

=>  The last time I saw him was 8 days ago

22. I haven’t taken a bath since Monday.

=>  It is Monday when I last took a bath

23. It's 2 years since I had a punture.

=>  I have had a punture for 2 years

24. It's 2 months since he earned any money.

=>  He has not earned any money for 2 months

1. This is the first time he has taken a holiday in Hoi An

-> He hasn’t a holiday in Hoi An before

2. He written to me since to me since April

-> the last time he wrote to me was in April

3. She hasn’t had a swim for five years

-> she last swam 5 years ago

4. They last talked to each other two months ago

-> they haven’t talked  to each other for two months 

The weather is warm enough for them to play catch in the garden

Tuan used to swim in the morning when he was young

1. The weather / warm enough / for them / is / in the garden / to play cacth

The weather is warm enough for them to play catch in the garden

2. Tuan used to swim in the morning when he was young

Tuan used to swim in the morning when he was young

1.  He has not written to me since April.

→ The last time …he wrote to me was April…………

2. She hasn’t had a swim for five years.

→ She last …swam 5 years ago…………

3. They last talked to each other two months ago.

→ They haven’t …talked to each other for two months.​……

4. The last time she saw her elder sister was in 1999

→ She hasn’t …seen her elder sister since 1999………

5. She hasn’t written to me for years.

→ It’s years …since she last wrote to me………

6. Robert and Catherine have been married for ten years.

→ It’s ten years ……since Robert and Catherine married……

Bài 1: Write a question for each situation.

1. You meet Paul as he is leaving the swimming pool.

You ask: (you/swim?) Have you been swimming?

2. You have just arrived to meet a friend who is waiting for you.

You ask: (you/wait/long) ...⇒ .. Have you been waiting long?.....

3. You meet a friend in the street. His face and hands are dirty.

You ask: (what/to/do?) ...⇒ ..What have you been doing?......

4. A friend of yours is now working in a shop. You want to know how long.

You ask: (how long/you/work/there?) ⇒ How long have you been working there?

5. A friend tells you about his job – he sells computers. You want to know how long

You ask: (how long/you/sell/computers?) .⇒ .. How long have you been selling computers?........