That is his old house. He lived there for twenty years. (合并为一句)
That is his old house he lived for twenty hours.
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.
We must pay a to English grammar when we learn English.
You won't catch the early bus u you get up quite early tomorrow.