语法指导：四级语法系列练习（四）

语法指导：四级语法系列练习（四） 4. it is important that the hotel receptionist _____ that guests are registered correctly. a. has made sure b. must make sure c. made sure d. make sure 5. it was essential that the application forms _____ back before the deadline. a. must be sent b. be sent c. would be sent d. were sent 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。 5. b 译文：申请表务必在截止日期之前寄回。 本句涉及主语从句中的虚拟语气的使用。 6. b 译文：他必须马上归还字典。 本句涉及主语从句中的虚拟语气的使用。