Complete the sentences with 'can' or 'can't'.

1. My father is a pilot. He **can** fly a plane. 2. My little sister is one year old. She **can't** ride a bike. 3. My friend is a taxi driver. He **can** drive a car well. 4. Max is only five but he **can** write his name. 5. Mr. Smith **can't** see very well so he wears glasses.