4. B
5. D
6. C
7. B
8. A
9. B
10. D
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1. use
2. doesn' t go
3. is eating
4. do you study
5. am not listening ................... am play
6. is going to rain ......................... rains
7. are reading
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1. playing - play
2. is wanting - want
3. doesn't - don' t
4. heve - having
5. skip - skipping
6. is having - have
7. cook - am cooking
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