I didn’t hear the phone. I ___ asleep. A...

I didn’t hear the phone. I ___ asleep.

A.must be B.must have been

C.should be D.should have been

B 【解析】试题考查情态动词。句意：我没有听到电话，肯定是睡着了。根据 I didn’t hear the phone可知是对过去的肯定推测，故用must have done,因此选B项。考点 : 考查情态动词

考点分析：

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