15. Before I (watch) __________TV, I (do) ________________ my homework.
16. She ________(like) cooking. She ____________(cook) now.
17. She ______________(learn) piano for three months.
18. I ______________(receive) a letter from my old friend last week.
19. She _________(wash) cloth twice a week.
20. We ____________(do) exercise 2A on page 20 right now
21. Look! It ______________(rain) heavily.
22. . After they (go)____________,I (sit) _________ down and (rest)________.
23. They _______________(watch) TV at 4:00 p.m yesterday.
24. He _________(open) the door, __________(enter) the room, and _________(break) something.
25. After I (wash)______________my clothes, I (sleep) ___________
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Sinh Học lớp 12
