1) I don’t want anyone to know about our plan. You ...... tell anyone. a) mustn’t  b) don’t have to c) doesn’t have to 2) Richard ....... wear a suit to work, but he usually does. a) mustn’t  b) don’t have to c) doesn’t have to 3) There’s a lift in the building, so we ...... climb the stairs. a) mustn’t  b) don’t have to c) doesn’t have to 4) I promised Kate I’d call her tomorrow. I ...... forget. a) mustn’t  b) don’t have to c) doesn’t have to 5) I’m not very busy. I have a few things to do, but I ....... do them now. a) mustn’t  b) don’t have to c) doesn’t have to 6) Sophie likes weekends because she .......... get up early. a) mustn’t  b) don’t have to c) doesn’t have to 7) You ......... be a good player to enjoy a game of tennis. a) mustn’t  b) don’t have to c) doesn’t have to 8) You should keep trying to find a job. You ........ give up. a) mustn’t  b) don’t have to c) doesn’t have to 9) I ........... eat too much. I need to be on a diet. a) mustn’t  b) don’t have to c) doesn’t have to 10) We have lots of time before our flight. We .......... check in yet. a) mustn’t  b) don’t have to c) doesn’t have to 11) You ... buy your tickets in advance, but it’s usually cheaper. a) don't have to b) mustn't 12) It’s hot and sunny today, so you ... wear soem sunscreen a) must b) mustn't 13) What time do you ... get to the airport? a) have to b) must 14) Visitors ... follow the advice about safety. a) must b) mustn't  15) Tourists don’t ... to fly there. They can also travel by train. a) have b) have got 16) Let’s think of games we can play on the way. Travelling ... be boring!  a) doesn't have to b) has to 17) I ... remember to take my swimsuit, because we’re going to the beach! a) must b) can 18) You ... like hot weather to go on holiday a) don't have to b) mustn't

mustn't dont have to doesnt have to

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