He have completed his work; otherwise, he wouldn't be enjoying himself by the se
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He ________ have completed his work; otherwise, he wouldn't be enjoying himself by the seaside.
[]A.should
B.must
C.wouldn't
D.can't
试题答案
答案:B
提示:“他一定是已经做完了工作,否则他不会在海边娱乐。情景提供的是对过去的肯定的推测。” |