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a)mustn’t b)can’t c)should
2. He ___ be Ann’s brother. They look like twins.
a)might b)may c)must
3. You ___ wait here. I’ll call you later.
a)might b)don’t have to c)have to
4. We got a flat tyre on the way to the airport but we ___ catch our flight on time.
a)can b)were able to c)had to
5. ___you ride a bike when you were my age, Dad?
a)Could b)Can c)Should
6. If you don’t drink water, you ___ dehydrated.
a)will get b)would get c)had got
7. If you call for help, someone ___ .
a)will come b)would come c)come