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【题目】 In the spoken English of some areas in the US, the "r" sounds at the end of the words _______ .(2010.北京卷)

A. are dropped

B. drop

C. are being dropped

D. have dropped

【答案】A

【解析】主语sounds是动作drop的承受者,应用被动语态,且时态应用一般现在时,故选A。

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