- I'm going to the post office.
-_______ you're there , can you get me some stamps?

You will fall behind others_______ you work hard.

—All the isatis root（板蓝根） is sold out!
—People are crazy!          experts say there is no use eating isatis root to prevent
H7N9, some people still don’t believe it.

—You look so tired. What’s the matter?
—I was so busy that I didn’t go to bed          12 o’clock last night.

The doctor says that you will end up in hospital _________ you go on smoking like that.

I enjoy the street dance “hip-hop”, but _________ my father _________ my mother likes it.

— Someone wants you on the phone.
— _______ nobody knows I am here.

______now people cut down many trees,______a lot of animals are losing their homes.

–What is your sister going to be ________ she grows up?
–She is going to be an engineer.

--- Did you have a good time at Laura’s birthday party?
--- Yes, indeed. It’s several years ________ I enjoyed myself so much.