1) You ____ go now, you can stay a bit longer. a) mustn't b) don't have to c) have to d) must 2) You ... turn on the central heating. It’s automatic. a) musn't b) have to c) must d) don't have to 3) I don’t like these clothes, but I ... wear them at work. a) mustn't b) must c) don't have to d) have to 4) You ... cross the road when the red light is showing. a) must b) don't have to c) have to d) mustn't 5) We ... leave now or we’ll miss the plane. a) have to b) must c) don't have to d) musn't 6) We had an accident, but it was OK, we _____ go to the hospital. a) mustn’t b) don’t have to c) have to d) must 7) Soldiers ____obey orders. a) have to b) don't have to c) mustn't d) must

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