1) You....... play cricket with a bat and a ball. a) have to b) don't have to 2) Competitors ....... argue with the judge's decision. a) don't have to b) mustn't 3) Rugby players ...... throw the ball forwards. It must always go backwards. a) can b) can't 4) Competitors ........ run 42 kilometres in a marathon. a) can't b) must 5) A referee ...... send a player off the pitch. a) can b) mustn't 6) The goalkeeper in football ..... stay in the penalty area. a) doesn't have to b) has to 7) A tennis player ...... hit the ball inside the white lines. a) has to b) doesn't have to 8) The players ..... win every point to win a match. a) mustn't b) don't have to 9) He had been working for more than 11 hours. He ……………be tired now. a) must b) has to 10) This is a hospital. You …………… smoke here. a) don't have to b) mustn’t

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