题目内容
【题目】—How do you know that she likes singing?
—I often hear her ________after class.
A. to sing B. sang C. sing D. sings
【答案】C
【解析】句意: -你怎么知道她喜欢唱歌?-我经常听到她下课后唱歌。A. to sing动词不定式,唱歌;B. sang 过去式,唱歌;C. sing动词,唱歌;D. sings动词三单,唱歌。hear sb. do sth.听到某人做某事;hear为感官动词,省略to的动词不定式在句中作宾补。故选:C。

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