The number of the students in our school ___ 2,000 now.(A)has risen to (B)rise to (C)rising to
问题描述：
The number of the students in our school ___ 2,000 now.(A)has risen to (B)rise to (C)rising to
答
a
the number of 后面加单数，我们学校的学生人数已经涨到2000了，完成时。
答
选择A。“the number of +名词”这结构作主语时，number是中心词，是真正的主语，看做单数，故句中的谓语动词也应该用单数。
答
The number of the students in our school _has risen to __ 2,000 now
选A
答
(A)has risen to
答
A
答
A 现在完成时
答
The number of the students in our school _has risen to __ 2,000 now
选A 现在完成时
答
the number of 作主语谓语动词用单数 B不对,C不是谓语形式.
我们学校的人口数现在已经达到2000了,现在完成时
答
A The number of是……的总数 +谓语动词单数。 并且用现在完成时