- I'm going to the post office.
-_______ you're there , can you get me some stamps?
A. As B. While
C. Because D. lf
- You seem familiar with Mr. John?
-Of course, we_______ together for three years in the 1990s.
A. have worked B. were working
C. are working D. worked
The new law says that people_______ drive after drinking wine.
A. wouldn't B. needn't
C. won't D. mustn't
You will fall behind others_______ you work hard.
A. if B. unless
C. though D. since
-I don't know about you, but I'm sick and tired of this weather.
-_______. I can't stand all this rain.
A. I don't care B. It's hard to say
C. So am I D. I hope not
- What do you want to be when you grow up?
-I want to be_______ social worker. Many people are in great need of our help.
A. a B．an
C．the D．不填
