—How long has the nationwide ban (禁止) on plastic bags been put into practice? －_

题型：江苏期中题难度：来源：

—How long has the nationwide ban (禁止) on plastic bags been put into practice?
－_____ the beginning of June.

[ ]

A. Behind
B. Since
C. Among
D. At

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举一反三

Fighting is harmful _____ yourself.[ ]
A. for
B. to
C. about
D. of

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—Can I help you?
—I want to buy something _____ presents _____ my mother. [ ]
A. for; for
B. as; for
C. as; to
D. like; to

题型：江苏期中题难度：| 查看答案

She is having an interview ______ Lily"s grandpa now.[ ]
A. on
B. with
C. at
D. of

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Don"t play _____ fire. It"s very dangerous. [ ]
A. with
B. /
C. with a
D. with the

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—Did you pass the exam?
—Yes, but I can"t pass it _____ the teacher"s help. [ ]
A. with
B. under
C. without
D. to

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