1. B a good student, 排除法
2. A a glass of 一杯
3. B Is she...? 她是...吗?
4. B your sister 单数, is
5. B work for 受雇于, 为...工作
6. C are 主语为复数
7. C child (复数) children
8. B she he 三单, 动词用likes, 借助于doesn't 否定
9. B 在几点 at
10. C for supper 晚餐吃什么
11. C Does后接动词原形 ,答句前后要一致
12. B
13. B will never 将永远不会
14. B he 三单 has
15. C from...to.. 从几点到几点
16. C for 持续
17. A What time is it? 现在几点
18. They aren't teachers.
19. Do you like your room?
20. What is his job?
望采纳,祝开心!
BABBB CCBBC CBBBC CB
They are not teachers.
Do we like our room?
What is his job?