Basic 1 Lesson 21 - mustn't, have to

You ............. apologise, it isn't necessary.

• mustn't

• don't have to

You ....... tell Mum or she will be really angry.

• mustn't

• don't have to

I ............ wear a tie, I do it because I like to.

• mustn't

• don't have to

You ...... smoke here, it's not allowed.

• mustn't

• don't have to

You ............ pay for parking here on weekdays.

• mustn't

• have to

Visitors to the zoo ....... feed the animals.

• mustn't

• don't have to

You .................... drive so fast, we have a lot of time.

• mustn't

• don't have to

You ........ put salt on your food, the doctor said you can't eat salt.

• mustn't

• don't have to