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1. Jane looks tired, I think she (work) _ in the garden. Has been working/has worked

2. Our teacher usually hands (in/ out/ back) our exercise books when classes begin.

3. This author (write) children's books for many years, a lot of people know and read them. Has been writing/has written

4. You'll get a nice present if you behave . yourself/itself

5. He has got (little / a little) time. He can play tennis.

6. The family (live) at the seaside since after the war. Has lived/have been living

7. The plane couldn't take (down/ off/ away/ up) because of the snow.

8. Dress quickly, we must leave the house in ten minutes not to be late. Yourself/herself

9. Scientists at home and abroad (study) the problems of ecology for many years now. Have been studying/have been studied

10. It was very pleasant to bathe in the river on a hot summer day. /myself

11. Did you take (down/ off/ away/ up) his words?

12. Children should know how to behave in public. Themselves/yourselves

13. A number of old trees are lying on the ground. It's clear that a very strong wind (blow). Has been blowing/has blown

14. We have got (little / a little) coffee. It’s not enough for all of us.

15. Did you and your friends enjoy at the picnic yesterday? Yourselves/ourselves

16. I (know) Peter since we went to school together. Have known/have been knowing

17. Do you know many foreign people? - No, I don’t. I know very (few / a few)

18. Don`t forget to give the bike (out/ back/ away/ up) to Jim.

19. What (influence) your decision to be-come an engineer? Has influenced/have been influencing

20. Tom has (little/ few) phones at home.

21. What are you laughing at? What (I say)? have said/have been saying

22. Three soldiers were fighting (between/among) themselves.

23. A cold war is going on (between/among) India and Pakistan.