Thegirlisoftenheard______inthene

发布时间：2020-07-11 17:44:47

The girl is often heard ______ in the next room.













A.sing












B.to sing











C.singing











D.sings

网友回答

B解析hear sb do sth表示听到某人经常做某事，变为被动语态时要把不定式符合to加上，变为be heard to do sth
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