Listen, who in the classroom?A. singsB. singC. is singing D. singing

发布时间:2020-08-21 18:56:37

Listen, who     in the classroom?
A. sings
B. sing
C. is singing
D. singing

网友回答

A. sings
B. sing
(答案→)C. is singing
D. singing
解析:考查时态。根据题目中所给的listen,可以判断要用现在进行时,其结构为主语+be doing,句意:听,谁正在教室唱歌?故选C。
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