1 Complete the sentences with can or can't.

1. He's only four, but he **can** ride a bike well. 2. I **can't** play golf. I don't know the rules. 3. She **can** ski very well, but she's learning. 4. They **can** cook dinner. They make great food. 5. She **can't** hit the tennis ball. She doesn't know how to play.