Английский язык, модальные глаголы

Complete the sentences with the suitable modal verbs.

Choose the correct option.
You (can/might/must) wear black trousers to school. (It's a rule.)

You (could/need to/ought to) visit us on Friday. (It's possible to do.)

You (should/have to/may) try planning your time better. (It's the best thing to do.)