题目内容
Teachers required that all the students ___ their homework all alone.
|
A.must finish |
B. would finish |
C.had to finish |
D.finish |
【答案】
D
【解析】考察虚拟语气。Require后面的宾语从句使用虚拟语气should do;should可以省略。故D正确。
练习册系列答案
相关题目