题目内容

【题目】The doorbell is ringing. Please go and see .

A. who is it B. who it is

C. who was it D. who it was

【答案】B

【解析】句意:门铃在响,请看看是谁。根据语义可知,本题宾语从句。主句是一般现在时态,从句也为一般现在时态,且使用陈述句的语序。A、C项为疑问语序;D项为过去时态。故选:B。

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