你不在家时,我会照顾孩子们.
While you are not at home,I'll the children.
This car can run by (it),so it's very expensive.
Why not consider (go) swimming this weekend?
A good (listen) will help you a lot when you study.
Children should go to bed before nine every light,or they will be (sleep) in class.
(friend) is more important than money between friends.