问题
选择题
He is a badtempered man, but he ________ be quite charming when he is cheerful.[ ]
A．shall
B．must
C．dare
D．can
答案
答案：D
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He is a badtempered man, but he ________ be quite charming when he is cheerful.[ ]
A．shall
B．must
C．dare
D．can
答案：D