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