Put in modal verbs: should, shouldn't, mustn't, had to, need, needn't.
1. - Jim's eyes are not very good. I think he ___________ wear glasses.
2. - Can I cross the road here?
    - No, you ___________ . It's very dangerous. Cross the road at the traffic lights.
3. - Shall I put on my hat and coat?
    - No, you ___________ . It's quite warm outdoors.
4. - The shop will be closed in two minutes. You ____________ stay here any longer.
5. - I missed my bus yesterday and ___________ go to school on foot.
6. - Danny lost the copybook with his homework and ___________ do it once again.
7. - If you ___________ help, tell your parents about your problems. They can help you.