38.He asked me if I often heard Jenny ________ pop songs in the next room.A.sing B.to singC.singing D.was singing答案是A.为什么
问题描述：
38.He asked me if I often heard Jenny ________ pop songs in the next room.A.sing B.to sing
C.singing D.was singing答案是A.为什么
答
C
hear sb doing sth 听到某人【在做】某事 （强调在做某事）
翻译：他问我是否经常听到詹妮在唱歌
比较：
hear sb do sth 听到某人【做过】某事 （强调做过某事）
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