1) If you want to be fit, you ___________ exercise regulary. a) must b) can c) should d) could 2) Students ____________ bring their textbooks to every class. a) have to b) can't c) should d) must 3) You ___________ come if you don't want to. a) doesn't have to b) mustn't c) can't d) don't have to 4) You _________ take an umbrella, it looks like it's going to rain. a) have to b) could c) can d) should 5) Doctors sometimes __________ work at the weekend a) can b) might c) maybe d) have to 6) At our school we _________ wear uniform a) have to b) must c) should d) may 7) She _________ be very tired after such a long trip. a) might b) can c) must d) should 8) My mother _________ work today, it’s a holiday a) musnt’n b) doesn’t have to c) shouldt’n d) maybe 9) You ________ always check your work for errors before submitting it a) have to b) can c) could d) might 10) We ________ be late for the class , so let's hurry up! a) must b) maybe c) have to d) can’t

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