We have known each other _____ ten years ago. [ ]A. for B. ever C. about D.

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We have known each other _____ ten years ago. [ ]
A. for
B. ever
C. about
D. since

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举一反三

China takes the leading position _____ space industry. [ ]
A. in
B. at
C. of
D. up

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—How do you improve your listening, Mary?
—Just ______ listening to tapes, it"s a good way, you know. [ ]
A. to
B. in
C. by
D. for

题型：月考题难度：| 查看答案

—Look at my new digital camera. I bought it ______ October 1, National Day.
—Wow, how nice! [ ]
A. on
B. in
C. at
D. for

题型：月考题难度：| 查看答案

—Is Mr Brown famous ______ his poems?
—Yes, but he isn"t known _______ a poet. [ ]
A. for; as
B. as; for
C. in; to
D. to; in

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—How do you study for a test?
—I study ______ working with friends. [ ]
A. for
B. to
C. in
D. by

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