四级语法系列练习－虚拟语气(2)

（单词翻译:单击）

Unit 3 虚拟语气(二)

4. It is important that the hotel receptionist _____ that guests are registered¹ correctly.
A. has made sure
B. must make sure
C. made sure
D. make sure

6. It's necessary _____ the dictionary immediately.
A. that he will return
B. that he return
C. that he returned
D. that he has to return


答案：
4. D
译文：旅馆接待员必须确保旅客登记正确，这点是很重要的。
本句涉及主语从句中的虚拟语气的使用。