—I’m worried about the coming test. —You should work hard for it,_____you’ll have to take it again.

 –Do you think most of the people in Beijing can talk with foreigners in English?-- Yes, I think so. ________the young ________the old are learning to speak English.

The old lady donated much money to the poor students. ______she is not rich．

-- Excuse me, where can I exchange _________? --There’s a bank on the second floor.

There were_________ people in the street at midnight, so he drove fast.