When I passed by, I heard her in the room.A. singsB. sang C. singingD. to sing

发布时间:2020-08-16 18:34:22

When I passed by, I heard her      in the room.
A. sings
B. sang
C. singing
D. to sing

网友回答

A. sings
B. sang
(答案→)C. singing
D. to sing
解析:sings 用于单数第三人称主语后面sang 过去时中singing表示正在进行的动作, to sing表示将要发生的动作,根据上文当我经过时,可知选C,我听见她正在房间里唱歌。
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