题目内容
【题目】Some students in the classroom are reading, while the rest _________doing homework.
A. is B. was C. were D. are
【答案】D
【解析】句意:教室里有些学生在读书,其余的在做作业。the rest其余的(学生),是复数人称,系词需用are或were,可排除AB两项。前一句是一般现在时,根据句意结构,可知选D。
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