Must / Mustn't / Have to / Don't have to / Doesn't have to

1. I (a)   leave early tomorrow morning or else I'll miss the flight to London.

The pupils (a)    hand in their homework by Friday.

John doesn't know anything about his birthday party.

You (a)   tell him anything about it.

Jack (a)   get up early tomorrow. It's his day off.

If you are in New York, you really (a)   go and see the Guggenheim Museum.

All visitors (a)    wear an ID card, otherwise they won't be able to enter.

We (a)    be late for the meeting.

The director doesn't like people who are not on time.

The car is making a lot of noise. I (a)   take it to the garage next week.

I'm glad I (a)   write my application in English. My spelling is awful.

My dad (a)   be at the airport by 5. The plane leaves at 6.30.