Have to, don’t have to, must, mustn’t

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Exercise 2: Choose the most appropriate form — have to, don’t have to, must, mustn’t

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Explanation

Exercise 2: Choose the most appropriate form — have to, don’t have to, must, mustn’t

Choose the most appropriate modal expression to complete each sentence: 'have to', 'don't have to', 'must', or 'mustn’t'.

1
I ____ leave early because I wasn't feeling well.
2
You ____ do something to solve this problem.
3
I don't like these clothes, but I ____ wear them at work.
4
Teacher: 'You ____ arrive on time for class.'
5
We didn't have money, so we ____ find a cash dispenser.
6
You ____ tell anyone; it's a secret.
7
____ pay for the car repair or did the insurance cover it?
8
We _____ leave now; it's 10 and the conference doesn't start until 12.
9
We had an accident, but it was OK, we ____ go to the hospital.
10
The doctor has put me on a strict diet. I ____ eat more fruit and vegetables and do more exercise.