1) I think you ............. visit your grandma more often. a) should b) have to c) must d) can 2) Look at the sign! You ............. take photos in the gallery. a) mustn't b) shouln't c) have to d) can't 3) All right, we are finished. You .......... have a break now. a) must b) can c) have to d) can't 4) I ............. study hard if I want to pass the exam. a) can't b) can c) shouldn't d) must 5) I ............ to finish this task today. a) must b) have c) can d) has 6) You .................. buy her that Britney CD. It's not a good idea. a) mustn't b) can't c) shouldn't d) can 7) You .............. smoke in the hospital. a) mustn't b) must c) have to d) can't 8) He's going to go deaf. He ............ listen to his MP3 player so loud! a) mustn't b) can c) can't d) shouldn't 9) You .............. speak rudely to your teachers. a) can b) mustn't c) can't d) have to 10) It's OK, you ............ take a day off tomorrow. a) can b) have to c) must d) should 11) You ............. tell Adam about the party. It's a surprise. a) have to b) shouldn't c) can't d) mustn't 12) You look tired. I suppose you ............. take a break. a) should b) must c) have to d) shouldn't 13) You .... use that vending machine. It's out of order. a) can b) should c) must d) can't 14) You .... learn grammar. It's necessary to learn any language. a) have to b) should c) mustn't d) can't 15) I don't think you ..... drink any more of this cola. You're going to get sick. a) can b) must c) have to d) should

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