问题补充:
He was heard________ three songs in the next room.A.singB.to singC.singingD.sung
答案:
B解析试题分析:考查不定式做补足语的用法:动词hear后面接宾语+不带to的不定式,变成被动式就是be heard to do,要还原to,句意:有人听见他在隔壁房间唱了三首歌。选B。考点:考查hear后面接复合宾语的用法
点评:hear sb do听见某人做了,hear sb doing听见某人正在做,hear +宾语+ done,听见…被怎样。