几道英语题,请说明理由

1--They have to clean the classroom after school.(对划线部分提问）
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提问:What do they have to do after school?

2 be,I,have,to,bed,by,in,o'clock,nine(连词成句)
I have to be in bed by nine o'clock.

3。--What are your school rules?
--Well,we___eat in the classroom
A.don't B.not C.can't D.can
选C，学校的规则是不能在教室吃东西

1.What do they have to do after school?
对状语提问,做什么.

2.I have to be in bed by nine o'clock.

3.C 不能

1. What do they have to do after school ?
2. I have to be in bed by nine o'clock.
3. C “你们学校有什么规矩？呃。。我们不许在教室里吃东西。”

小朋友，这种题说理由很难的。。好好学习吧

They have to clean the classroom after school.(对划线部分提问）
——————————
What do they have to do after school?

2 I have to be in bed by nine o'clock.

3。--What are your school rules?
--Well,we___eat in the classroom
A.don't B.not C.can'