12. —Must we clean the room now?—No, you________.
A. mustn’t
B. needn’t
C. can’t
D. don’t
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13. Tom is greeting people ____ a big smile.A. B. C. D.
A. by
B. with
C. of
D. at
14.I _____ in the countryside. Now I’ve been in this city for over twenty years.
A. used to living
B. used to live
C. was used to live
D. was used to living
15. She has her new dress____.
A. on
B. in
C. at
D. with
16. I think it a very beautiful place. I’ll visit it ____.
A. sometimes
B. sometime
C. sometime
D. sometimes
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