You have to be here ______ 9 o"clock. [ ]A. in B. on C. at D

题型：同步题难度：来源：

You have to be here ______ 9 o"clock.     [     ]
A. in
B. on
C. at
D. by

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举一反三

I like flowers. I"m going to buy a house ____ a small garden in front of it.[ ]
A. in
B. near
C. with
D. between

题型：月考题难度：| 查看答案

The box is heavy (重的) ____ him ____ bring.[     ]
A. for; and
B. for; to
C. of; to
D. of; for

题型：月考题难度：| 查看答案

Lucy and Maria are talking ____ their classmates Tim. He isn"t at school today.[     ]
A. on
B. with
C. about
D. to

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People usually work hard ____ the day, and they have a good rest ____ night.[ ]
A. at; at
B. on; in
C. on; at
D. during; at

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People like going to other cities vacation.[ ]
A. for
B. on
C. in
D. at

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