题目内容
( ) 9. The number of the students in our school _____ about 2 ,500. A small
number of them______ boys.
A. is;are B. is;is
C. are ; is D. are ; are
9. A 考查主谓一致。The number of ...意为"……的数目",谓语动词要用单数;a small number of ...意为"少量的……",谓语动词要用复数。
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