Unit 4 I used to be afraid of the dark.
一，单项选择
1, ___our great surprise, the ground is covered with snow. A. By B. For C. In D. To
2, You used to be serious, ___you? A. did B. used C. weren’t D. didn’t
3, ---Mom, I was the first to reach the top of the mountain. ---Good job, Charlie. I’m ___of you.
A. tired B. proud C. excited D. absent
4, ---She goes swimming every Sunday morning. ---Oh. But she ___hate swimming.
A. used to B. using to C. is using to D. is used to
5, She is ___cats, so she never keeps them at home.
A. interested in B. afraid of C. worried about D. afraid to
