1) I ... help my mother every day. a) have to b) has to 2) They ... to start their work at 7 o'clock. a) have to b) has to 3) My sister ... clean the bathroom once a week. a) hasn't b) has to 4) Bob and Kate ... go to work at weekends. a) don't have to b) doesn't have to 5) My friends ... get up early in the morning. a) have to b) has to 6) My little sister is five years old and she ... go to school. a) don't have to b) doesn't have to 7) You ... wear a seatbelt when you drive a car.  a) have to b) has to 8) Harry ... to wake up at 7 o'clock every day.  a) have to b) doesn't have to 9) We ... to book tickets. Mary will do it. a) don't have to b) doesn't have to 10) My husband ... visit Italy on business. a) has to b) have to

have to /has to.

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