问题
选择题
Why ____ you keep troubling your mother with such question while he is busy .
A．can
B．will
C．would
D．must
答案
答案：D
must 此处表“偏要”之意。
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Why ____ you keep troubling your mother with such question while he is busy .
A．can
B．will
C．would
D．must
答案：D
must 此处表“偏要”之意。
