Must I clean the classroom now?
It's a good habit to eat apples.
How often do you write to your pen friend?
Once a week.
Do you need some help?
Yes,I do.
My English is really good.
I want him to finish the homework this week.
希望对你有用.
我现在必须打扫教室吗的英语我现在必须打扫教室吗吃苹果是一种好的饮食习惯你每隔多久给你的笔友写信一周一次你需要一些帮助吗是