题目内容
More than one example ________ necessary to make the students understand this rule clearly.
[ ]
A.should be
B.is
C.are
D.have been
答案:B
解析:
解析:
|
more than修饰主语,谓语动词与主语one example一致,用单数。 |
练习册系列答案
相关题目