Помогите. complete the sentences using must, mustn't, have to , don't have to, needn't or...

1. It isn’t necessary to read the instructions. It’s so easy.
You _ read the instructions. It’s so easy.
2. I think it would be a good idea if you went to fitness classes.
You _ go to fitness classes.
3. It’s against the law to drive so fast.
You _ drive so fast.
4. It’s a bad idea to smoke.
You _ smoke.
5. It isn’t necessary for you to hurry. The train is late.
You _ hurry. The train is late.
6. In England you can’t drive on the right.
In England you _ drive on the left.
7. It’s a good idea for you to see a doctor.
You _ see a doctor.
8. It isn’t necessary to buy me a birthday present.
You _ buy me a birthday present.
9. Talking in the library is forbidden.
You _ talk in the library.
10. It’s a bad idea to pick mushrooms. They might be poisonous.
You _ pick mushrooms. They might be poisonous.