Someone is at the door. must be Mr Smith.A. HeB. ItC. ThisD. That

发布时间：2020-08-16 12:03:48


Someone is at the door.      must be Mr Smith.
A. He
B. It
C. This
D. That

网友回答

A. He
(答案→)B. It
C. This
D. That
解析：考查人称代词。当没有指名性别时，指人用it。句意“有人在门口，他一定是史密斯先生。”故选B。
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