Why you keep on troubling me with such questions while Im busy ? A. couldB. canC. mustD

发布时间：2020-08-17 12:00:58

Why      you keep on troubling me with such questions while I''m busy ?
A. could
B. can
C. must
D. will

网友回答

A. could
B. can
(答案→)C. must
D. will
解析：must 在本句中表示“偏偏”，常用于以 you 作主语的疑问句中。
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