The number of students in a foreign language class _ usually limited to no more than thirty.

问题描述:

The number of students in a foreign language class _ usually limited to no more than thirty.
A.have B.are C.is D.were
请问大家为什么呢?

The number of students in a foreign language class _ usually limited to no more than thirty.
A.have B.are C.is D.were
选C
因为主语是【the number of sth】解释为...的数量
谓语动词用单数