——I think Betty is very helpful.
—— she always gives her seats to others on the bus.
A. I agree. B. I’m afraid not.
C. Really. D. Why not?
Why get up early?
A. don’t B. aren’t
C. not D. not to
We believe things will get better because many people the children in poor areas.
A. think of B. hear of
C. care about D. wonder about
They planted trees and trees is 500.
A. the number of; a number of
B. the number of; the number of
C. a number of; the number of
D. a number of; a number of
She makes her class ，and she always makes the students .
A. interesting, laughing B. interested, laugh
C. interesting, laugh D. interested, laughing
Who listens , Tom, Jack or Bill?
A. the most carefully B. more careful
C. the most careful D. more careful
