第一节 语法和词汇知识（共15小题；每小题1分，满分15分）
21. ----Are you familiar ____________ the customs here?
----No, the place is unfamiliar ___________ me.
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A. with; with
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B. with; to
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C. to; to
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D. to ; with
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22. ___________ couldn’t help stopping to listen to the blind performer’s wonderful music and leaving him some ___________.
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A. Passer-bys; changes
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B. Passers-by; change
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C. Passer-bys; change
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D .Passers-by; changes
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