He________intheclassroomjustnow.H

发布时间：2020-07-26 23:05:33

He ________ in the classroom just now. He ________ be there now.A.heard to sing；mayB.was heard sing；mustC.heard sing；mustD.was heard to sing；may

网友回答

D解析hear为被动语态时为be heard to do，may表示推测判断“有可能”。
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