1.C
2.C
3.C
4.D
5.C
6.C
7.C
8.D
9.B
10.B
11.C
12.A
13.A
14.B
15.B
16.D
17.B
18.B
19.D
ex 6:
1. are riding - is eating - is sleeping
2. is writing - are you reading - am learning
3. is looking - does your father do - isn't working
4. is doing - are watching
5. is playing - are rehearsing - are cutting
6. is planting - are - are cooking
7. is - is watching - am studying
8. is flying - is landing - do you feel - am feeling
ex 3:
1. washes
2. don't go
3. usually sits
4. do you always lock - leave
5. went
7. does it finish
8. opens - finishes
9. Has she gotten
10. did you do - did
11. opens
12. doesn't listen
13. lived
14. sent - didn't reply
15. do you do
16. are singing
17. do shops close
18. goes - went - was
19. sent- send
20. didn't know - was
21. does - smoke - did - go - don't remember
22. drove
23. circles
24. went - had
25. was
26. takes
27. tells
28. spent
29. is
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