Between 1950 and 1990, the world population doubled to 5.3 . Nearly eighty
of these people live in developing, poorer nations.
A. billion; per cent B. billion; percentage
C. billions; percentage D. billions; per cent
—Could I use your dictionary? —Yes, you .
A. can B. could C. need D. should
I’m feeling . Probably I have a bad cold.
A. badly B. well C. ill D. terribly
—Could I use your telephone? — . Please go ahead.
A. Sure B. That’s all right C. You are welcome D. It doesn’t matter
I don’t know he has time to help us. Let’s ask him.
A. that B. whether C. how D. what
—Why didn’t you go with them to the party yesterday evening?
—I was busy go to the party.
A. so; that B. both; and C. too; to D. neither; nor
