问题
选择题
----What ________ the number of the students in your school?
---- About two thousand. A number of them _______ from America.
A．is; are
B．is; is
C．are; is
D．are; are
答案
答案：A
题目分析：句意：你们学校的学生数是多少？大约两千。其中许多来自美国。The number of …的数目，作主语时，谓语动词用第三人称单数形式。A number of 许多，作定语修饰名词或代词。