have to/ don't have to - can /can't

You __________ fasten your seatbelt.

• mustn't
• must
• can
• don't have to

You __________ talk quietly in the library.

• should
• must
• don't have to
• can

• You can turn right
• you must turn right
• you can turn left
• you must turn left

• You can stop
• You can't stop 
• You must stop
• You mustn't stop

• You must listen to the teacher
• You mustn't listen to the teacher
• You can't listen to the teacher
• You can listen to the teacher

• You can eat in class
• You must eat in class
• You can't eat in class
• You mustn't eating in class

• You can't turn write
• You must turn right
• You can't turn right
• You must turn left

_______________ leave rubbish in the classroom

• Don't

• Can't

• You have to

Complete the sentence: We ............. pick up our rubbish.

• can't

• don't

• have to

You have an exam tomorrow. You ................ go to bed late.

• must

• can't

• have to