1) John can't run very fast, but he ...... jump high. a) can b) must c) should 2) You ...... put your feet on the desk. a) must b) mustn't c) can 3) It's late. You ...... go home now. a) shouldn't b) should c) could 4) These sport shoes are expensive. You ...... buy them. a) must b) can c) shouldn't 5) The dog hurts its leg and it ...... walk. a) can't b) can c) must 6) when he was young, my grandfather ...... run 12 kilometres. a) can b) could c) mustn't 7) Sally is not well. She ....... go to school today. a) shouldn't b) must c) mustn't 8) You ....... bring animals into the shop. a) can b) could c) mustn't 9) It's a library. You ..... keep quite. a) must b) mustn't c) shouldn't 10) You look sick, you ...... see a doctor. a) can b) should c) shouldn't

Modal verbs

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