帮忙解决几道很简单的英语题 急!

题目

帮忙解决几道很简单的英语题 急!
将下列句子改为祈使句
You must stand in line to wait for a bus.
____________________________________________.
You can eat in the dining hall
____________________________________________.
You can wear a uniform at school.
____________________________________________.
连词成句
don't, at, once, after, down, lie, bed, on, meals
____________________________________________.

答案

1.Stand in line to wait for a bus.
2.Eat in the dining hall
3.Wear a uniform at school.
Don't lie down on bed after meals at once.