Complete these sentences with must or have to (in the correct form). Sometimes it is possible to use either; sometimes only have to is possible.
When you come to London again, you *** come and see us. (h̶a̶v̶e̶ ̶t̶o̶)
Jack left before the end of the meeting. He had to go home early.
In Britain many children have to wear uniform when they go to school.
When you come to London again, you must come and see us.
Last night Don became ill suddenly. We had to call a doctor.
You really must work harder if you want to pass the examination.
I’m afraid I can’t come tomorrow. I have to work late.
I’m sorry I couldn’t come yesterday. I have to work late.
Paul doesn’t like his new job. Sometimes he has to work at weekends.
Caroline may have to go away next week.
We couldn’t repair the car ourselves. We had to take it to a garage.