A teacher __________ be patient.
1. must
2. mustn't
3. doesn't have to be
You __________ eat the spinach if you don't like it.
1. don't have to
2. mustn't
3. must
If you go to New York, you __________ visit the Empire State Building.
1. must
2. mustn't
3. don't have to
Yippee! Tomorrow is Saturday! We __________ go to school!
1. don't have to
2. mustn't
3. must
Cliff told his students that they __________ speak in Spanish.
1. mustn't
2. must
3. don't have to
Ssh! They're doing an exam in the classroom next door. You __________ make a lot of noise.
1. mustn't
2. must
3. don't have to
She can get the bus. She __________ walk.
1. doesn't have to
2. mustn't
3. must
If you want to be a really good pianist, you __________ practise for hours and hours.
1. must
2. mustn't
3. don't have to
Here's your Christmas present. You __________ open it before the 25th of December!
1. mustn't
2. don't have to
3. must
My teacher thinks my composition is poor. I __________ do it again.
1. must
2. mustn't
3. don't have to