For o Since?

L'esercizio presuppone la conoscenza dei contenuti di queste pagine: e

1. He has been selling cars (for / since ) ten years.

2. Marc has been living here (for / since ) 1974.

3. I've been waiting (for / since ) five o'clock.

4. I've been marking exercises (for / since ) the last two hours.

5. We've been reading this book (for / since ) last January.

6. We've been studying English (for / since ) three months.

7. He has been sleeping (for / since ) seven hours.

8. He has been working (for / since ) seven o'clock this morning.

9. They've been very busy (for / since ) the last week.

10. They've been living here (for / since ) last week.

11. I haven't worn this dress (for / since ) two years.

12. We have been climbing (for / since ) an hour and a half.

13. Jessica has been teaching in that school (for / since ) 1988.

14. My friend Steve has been ill (for / since ) a long time.

15. It has been raining (for / since ) yesterday morning.

16. I haven't done any work (for / since ) a month.

17. What have you been doing (for / since ) yesterday?

18. That church has been standing here (for / since ) centuries.

19. He hasn't been here (for / since ) three weeks.

20Corinne hasn't bought any new clothes (for / since ) the beginning of the year.

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