1) His illness got worse and worse. In the end he _____ go into hospital for an operation. a) will have to b) must c) had to d) ought to have 2) You _____ any more aspirins; you’ve had four already. a) mustn’t take b) needn’t have taken c) shouldn’t have taken d) had better not take 3) In a hundred years’ time we _____ out of water to drink. a) must have run b) might have been c) should have run d) may have run 4) Joe ran all the way. It wasn’t necessary. Joe _____ run all the way. a) needn’t have b) need have c) didn’t need to d) doesn’t need to 5) All the lights in Terry’s room are turned off. He _____ sleeping. a) must have been b) had to be c) must be d) must not be 6) Let’s go to the seminar. It _____ interesting. a) used to be b) is supposed to be c) must have been d) needs to be 7) Children _____ taught to respect their elders. a) should be b) had better c) has to be d) must have 8) This application _____ last week. a) should be sent b) must have been c) ought to have been sent d) should have sent 9) Rice _____ have water in order to grow. a) must b) should c) had better d) ought to 10) I _____ to go now. I have a class in ten minutes. a) had better b) have got c) must d) should

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