4 Fill in the sentences with can, can't, may, be able, should, shouldn't.

1. Sarah is very small. Soon she will be able to walk. 2. You can cook here if you like. 3. You should cross the street here, go straight to the zebra crossing. 4. One should be careful while crossing streets in London. 5. No one may walk on the grass in this park. 6. Masha is only three but she's smart. She will to read next year. 7. You shouldn't miss the lessons on road safety. 8. Mr. Smith is seventy years old. He can't see very well so he wears glasses. 9. Tony can swim very well. He always comes first in the races. 10. Bill and Sue love music. They can both play the guitar.