помогите вставить модальные глаголы

1. You _____ learn this poem by heart. *

may
must
Другое:

2. _____ I take your pen? I can't find mine. *

should
may
Другое:

3. You _____ go shopping. John has already bought everything. *

mustn't
needn't
Другое:

4. The boy fell into the river but fortunately we _____ rescue him. *

can
could
Другое:

5. If you have done your homework, you _____ go for a walk. *

must
may
Другое:

6. We ______ leave yet. We have got a lot of time to get to the station. *

can't
don't have to
Другое:

7. We went to the cafe yesterday, so we _____ cook. *

don't have to
didn't have to
Другое:

8. You _______ go on thin ice! *

musn't
can't
Другое:

9. I ______ visit you today because I haven't done my homework . *

can't
may
Другое:

10. Carol _____ help you with your project. It's important that you do it yourself. *

can
mustn't
Другое:​