They were heard ______ in the next room every night.

They were heard ______ in the next room every night.
A.talking B.to talk

xxx19860923 1年前已收到3个回答举报

共回答了21个问题采纳率：85.7% 举报

B to talk
根据题意：他们每天晚上都被听到在谈论.
原句：We heard them talk in the next room every night （ heard sb.do sth)
被动语态：They were heard to talk in the next room every night
heard sb.doing sth 是指在某一个时间点发生的事情.

1年前

luosong234 幼苗

共回答了203个问题举报

to talk 被动语态中省掉的to要加上，主动句为hear sb do sth ,变为被动句要将省掉的to加上

1年前

wuhan9719 幼苗

共回答了37个问题举报

to talk

1年前

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