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) I _____ go home now or my mother will be angry. a) must b) could c) can 4) The class has been postponed. We ______ finish the homework today. a) can't b) mustn't c) don't have to 5) Everybody ________ be asleep. The lights are all off. a) can b) must c) ought to 6) I ________ swim very well when I was younger. a) could b) may c) had to 7) Excuse me, ________ you tell me where the bus stop is, please? a) may b) should c) could 8) This shoes _________ be from Lucy because they are very small. a) must b) has to c) should 9) What do I _________ do to be prepared for the exam? a) may b) need to c) must 10) __________ help you with the dishes right now? I can do it tomorrow! a) Should I b) Could I c) Do I have to

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