(2013·北京卷) Don’t turn off the computer before closing all programs you could have problems
I’m calling about the apartment you the other day. Could you tell me more about it?
It's much easier to make friendsyou have similar interests.
Before you pay a visit to a place of interest, look in your local librarya book about it.
From space, the earth looks blue. This is about seventy-one percent of its surface is covered by water.
--- You needn't take an umbrella. It isn't going to rain.
--- Well, I don't know. Itdo.