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.
You are 164cm , I’m 160cm , you are 4cm _____ than me.
______ the matter ? I have a fever .
You ______ sad today .
I faile
How _____ are you ? I’m 65kg .