4. Fill in the sentences with can or can't.

1. Sarah is only one year old. She can't write yet. 2. Mr. Smith is seventy years old. He can't see very well so he wears glasses. 3. Tony can swim very well. He always comes first in the races. 4. Anne is two years old. She can't ride a bike. 5. Bill and Sue love music. They can both play the guitar. 6. Ann is from Japan. She can speak Japanese. 7. Mary is only six. She can't fly a plane. 8. Katie is only three years old but she can write her name perfectly.