The number of people in their class 51.A. isB. areC. doesD. has

发布时间：2020-08-16 15:39:42

The number of people in their class     51.
A. is
B. are
C. does
D. has

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(答案→)A. is
B. are
C. does
D. has
解析：考查主谓一致。句意：他们班的人数是五十一人。结合语境可知本句是系表结构，Number数目，抽象名词，不可数，故系动词用单数。选A。
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