Fill in the gaps with can, can't, could, couldn't or was/wasn't able to.
1 I had my hands full, so I ...couldn't/wasn't able to... open the door.
2 When I was young, I … stand on my head.
3 Although he felt ill, he … finish all the paperwork.
4 Tony is clever. He … speak three languages.
5 I … afford that bag. It's too expensive.
6 Although it was dark, he … find his way through the woods.
7 I heard his voice calling me, but I … see him.
8 We're busy tonight, so we … come to the party.
9 When I entered the house, I … smell fresh bread baking.
10 I … drive a car. I learnt when I was eighteen.
Answers & Comments
1. couldn't
2. could
3. was able to
4. can
5. can
6. was able to
7. couldn't
8. can't
9. could
10. can