1) I .... speak English well. I need it in my job. a) must b) have to c) don't have to 2) It's forbidden. You ... do it. a) don't have to b) must c) mustn't 3) We ... wait for two hours at security and nearly missed our flight.  a) musted b) had to c) didn't have to 4) We ... to hurry. We have a lot of time. a) don't have to b) mustn't c) have to 5) She's allergic to dairy products, so she ... eat anything made of milk.  a) has to b) mustn't c) doesn't have to 6) I ... to buy a new shirt. This one is too old now.  a) have to b) don't have to c) must 7) My sister ... wear a uniform at work.  a) musts b) has to c) have to 8) .... get up early tomorrow? a) Do you have to b) Must you c) Have you to 9) Alan ... go to work on Friday. It's his day off.  a) mustn't b) doesn't have to c) has to 10) The exhibition was free, so we ... pay. a) didn't have to b) hadn't to c) didn't must

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