Listen! Someone in the next room.A. singB. singingC. is singingD. are singing

发布时间：2020-08-22 23:11:40

Listen! Someone      in the next room.
A. sing
B. singing
C. is singing
D. are singing

网友回答

A. sing
B. singing
(答案→)C. is singing
D. are singing
解析：根据语境可知此句的含义是;听，有人在隔壁正在唱歌，考查的是现在进行时的基本用法。Someone做主语是谓语动词常用单数形式，故选C。
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