1) I _____ watch a movie this afternoon if I have time. a) may b) can c) must 2) I'm sorry, we _____ come to the party with you. My son is sick. a) may not b) can't c) mustn't 3) The class has been postponed. We ______ finish the homework today. a) can't b) mustn't c) don't have to 4) Everybody ________ be asleep. The lights are all off. a) can b) must c) ought to 5) I ________ swim very well when I was younger. a) could b) may c) had to 6) Excuse me, ________ you tell me where the bus stop is, please? a) may b) should c) could 7) These shoes _________ be from Lucy because they are very small. a) must b) have to c) should 8) What do I _________ do to be prepared for the exam? a) may b) need to c) must 9) __________ help you with the dishes right now? I can do it tomorrow! a) Should I b) Could I c) Do I have to 10) You __________ the ironing as I was going to do that tomorrow. a) needn't have done b) didn't need to do c) couldn't have done

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