Choose the correct answers A, B, C or D to complete the following sentences

You __________ learn to keep your bedroom tidy. No one can clean it for you.
1. must
2. had to
3. mustn‘t
4. shouldn’t
Fifty years ago, my grandmother ____________ stay at home and do all housework. She couldn't go to school like her brothers.
1. must
2. had to
3. didn't have to
4. should
You ___________ wear shorts to school. It's against the school rules.
1. should
2. have to
3. mustn't
4. don't have to
I think parents ___________ compare their children to other's. They will become less confident in their abilities.
1. should
2. have to
3. must
4. shouldn’t
My parents respect my choices. I ___________ follow in their footsteps.
1. don’t have to
2. mustn‘t
3. should
4. have to