6. My sister ___didn't used to ____when we went to the beach because she was afraid of water.

7. Mr. Lam __didn't used to_____television in the morning. He did it in the evening.

8. David was a good climber in his youth. He __used to _____ very high mountains.

9. My parents___used to give___me expensive toys as we were not rich.

10. We ____used to go___in the town market. We bought fish, fruit and vegetables.