Must - have to

You ... speak on the mobile phone on an aeroplane.

• must

• mustn't

• don't have to

I ... watch TV late at night. My parents say I must go to bed early.

• must

• don't have to

• have to

I ... do my homework.

• mustn't

• must

• have to

We ... eat sweets in the classrooms.

• mustn't

• must

• have to

You ... put the rubbish into the bin.

• must

• mustn't

• don't have to

You ... take photos in this museum.

• must

• mustn't

• have to

You ... smoke in this room.

• don't have to

• mustn't

• must

You ... make noise in this area.

• must

• mustn't

• have to

I ________ be punctual for class.

• have to

• don't have to

• mustn't

I ___________________ go to the park. It isn't important.

• don't have to

• have to

• must