1) There's someone at the door. It ......be the postman. a) can b) must 2) Don't worry, you .... pay now. a) don't have to b) mustn't 3) I think you .... take a pullover with you. a) had better b) would better 4) Jones ..........be president if Smith has to resign. a) could b) must 5) Sorry, I can't stay any longer. I .......go. a) have to b) might 6) It was 5 o'clock an hour ago. Your watch ..........be right. a) can't b) mustn't 7) It's a school rule, all the pupils .....wear a uniform. a) have to b) must 8) I suppose that our team ......win, but I'm not sure. a) must b) should 9) Let's tell Anna. She .....not know. a) could b) might 10) In my opinion, the government ........ do something about this. a) might b) should

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