题目内容
12. students in their school over two thousand.( )| A. | The number of;is | B. | The number of;are | ||
| C. | A number of;is |
分析 他们学校的学生人数已超过二千人.
解答 答案:A.考查系动词.句意"他们学校的学生人数已超过二千人.".a number of表示"许多",修饰可数名词复数.作主语时,谓语动词用复数,因此C不正确.the number of表示"…的数量",跟复数名词连用作主语时,中心词是number,谓语动词要用单数,因此B不正确.答案是A.
点评 考查系动词,is是单数,are是复数,am通常与I连用,要结合语境,选择合适用法,注意人称及主语的单复数变化.
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