500
1. My dad's a good cook. He _____ make delicious cakes.
2. I broke my toe yesterday so now I _____ run.
3. While I was working, I _______ hear the birds singing.
4. When my grandma was young, she ________play the piano beautifully.
5. When Pepe was a child, he ________ speak English. Now he is fluent!
1. can
2. can't
3. could
4. could
5. couldn't