must have to need to/ needn't

You .......... smoke in here; smoking is not allowed.

• must

• mustn't

• have to

• don't have to

You ........... be late. It's the most important meeting of the year.

• don't have to

• must

• mustn't

• have to

You .........put salt in her food; the doctor said she can't eat salt.

• don't have to

• have to

• must

• mustn't

You ........ cook more; there's enough food.

• have to

• mustn't

• must

• don't have to

You ______________ wear a uniform or you can't enter the school.

• must

• should

• shouldn't

You ________________ help your parents in this family.

• should not

• have to

• must not

We ______________ walk, I called an Uber.

• should

• don't have to

• must

I have finished my homework ,I ............. to ask for help

• must

• mustn't

• needn't

We are at the library, we ............... make any noise.

• must

• mustn't

• need

Don't worry Paul, you've got plenty of time, you _________ hurry. 

• mustn't 
• have to 
• needn't 
• must