21. Where would you go if you a car?
A. have B. has C. had D. having
22. The children laughed when they were watching a comic.
A. happiness B. happy C. happily D. unhappy.
23. There is too much traffic , the air is polluted.
A. However B. Since C. Therefore D. But
24. She goes to the library three times a week. She reads books there.
A. never B. often C. rarely D. once
25. UFOs mean flying objects.
A. unknown B. unidentified C. unable D. unimaginary
26. If I a bird, I would be a dove.
A. am B. is C. are D. were
27. The telephone was by Alexander Bell.
A. invent B. invented C. to invent D. inventing
28. I want my English.
A. to improve B. improving C. improved D. improve
29. My grandparents have lived there 1975.
A. in B. on C. since D. for
30. Mai speaks English than you.
A. more fluent B. more fluently C. more fast D. more faster
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Sinh Học lớp 12
