Complete the sentences with "for" or "since":

1. We haven't heard from them ____for_____ ages

2. They waited for you __for_______ two days

3. They haven't met him ___since______ he left the room

4. We have bought the new car ___since_____ 1999

5. Haven't you seen him ____since________ Christmas?

6. It was not rained ____since______ May

7. I haven't written to him ___for_____ five months.

8. She has spoken to them ____since___ this morning

9. We have listened to music __since______ 8a.m

10. The house been built _____since_____ last year

Chúc bạn học tốt!!

1.for

2.for

3.since

4. since

5. since

6. since

7. for

8. since

9. since

10. since

for + một khoảng thời gian

since + mốc thời gian