Shedidn'tanswerthephonebecauseshe

发布时间：2020-07-10 00:08:57

She didn't answer the phone because she ________ asleep.













A.may be












B.must be











C.should have been











D.must have been

网友回答

D解析表示对过去发生的事情的肯定推测。
以上问题属网友观点，不代表本站立场，仅供参考！