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There is someone ringing the door bell.Who _____ it be?A) can B) must C) may D) will

分类: 作业答案 • 2022-01-09 18:03:45
问题描述：

There is someone ringing the door bell.Who _____ it be?A) can B) must C) may D) will
为什么不能是 D

答

A
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