They have made so great progress .
A. three years ago B. for three years
C. in the past three years D. before three years
The earth is years old.
A. four thousands six hundreds B. four thousand six hundred
C. four thousand and six hundred million D. four thousand six hundred millions
I afraid of the dark, but now I don’t.
A. use to B. used to C. use to be D. used to be
—
— To the supermarket with Wang Fan.
A. Where have you gone? B. Where did you go to the supermarket?
C. Where have you been? D. Where’s Wang Fang?
— We really shouldn’t use plastic bags any more when shopping.
— It’s important to protect our environment.
A. So does it. B. With pleasure. C. That’s OK. D. So it is.
— How about going hiking this weekend?
— Sorry, I prefer rather than .
A. to stay at home; go out B. to go out; stay at home
C. staying at home; go out D. going out; stay at home
