—You see, I’m poor in maths, you are not good at English, and... — That’s ____ we should help each other.
What surprised me was not what he said but he said it.
both his eyes focused on his book, he didn’t notice me enter the room.
—It’s five years since I here. —Where do you work now?
—Why did he say so? —Sorry, I don’t understand he has said means.
-- has brought worldwide attention to China? —Rapid and steady economic growth,of course.