题目内容
【题目】Someone is knocking at the door. Please go and see ____________.
A. who it is B. who is he
C. who he is D. who is it
【答案】A
【解析】
试题分析：句意：有人在敲门。去看看是谁。此题考查宾语从句，宾语从句用陈述句语序。因为不知道性别，故用it来代替。根据句意，应选A。
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题目内容
【题目】Someone is knocking at the door. Please go and see ____________.
A. who it is B. who is he
C. who he is D. who is it
【答案】A
【解析】
试题分析：句意：有人在敲门。去看看是谁。此题考查宾语从句，宾语从句用陈述句语序。因为不知道性别，故用it来代替。根据句意，应选A。
