问题 选择题

Half of the class       done most of the work. The rest       rather difficult.

A.has, is

B.have, are

C.have, is

D.has, are

答案

答案:C

考察主谓一致.这里的class指的是学生们.一半学生也是复数,rest其余的,为抽象名词,不可数,用单数,故选C.

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