问题

He _____ have completed his homework; otherwise, he would have been plying football with others. [ ]
A: can't
B: mustn't
C: shouldn't
D: wouldn't
B: mustn't
C: shouldn't
D: wouldn't
正确答案是:
同类题型
Damao can playbasketballand he can also playviolin.
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ng as itsspecial effects are ______, there is too much violence in the film.
.Sorry, sirI broke the window glass, but I didn’t do that ______
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