Question

【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

Answer 1

【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。