单项选择题

A. behind B. in front of C. beside D. next to—Why are y……

—Why are you standing there, Maggie
—I can't see the blackboard clearly. Two tall boys are sitting ______ me.

A. behind
B. in front of
C. beside

D. next to

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热门试题

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A. look up
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A. has worked
B. works

C. will work
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B. one of the greatest inventors
C. one of greatest invention

D. one of the greatest inventions

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A．语言处理系统
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C．操作系统
D．诊断程序

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B．川、滇、藏
C．新、青、藏
D．闽、浙、赣