当你问别人问题之前或打扰别人讲话时,应说:A.SorryB. Excuse me.C. Hi.
___________,where is the post office?
The sun is ____than the earth.
How_____ is your father ?He is 157cmtall.
______peopleare there in your family? There are three.
Oh ,it’s time_____lunch. Let’s go.