问题

If there aren’t so many cars, our air would be much ____.
A:clear
B:cleaner
C:clean
D:nice;
B:cleaner
C:clean
D:nice;
正确答案是:
同类题型
ding to a recent study, women are _____ to suffer from stomach cancer as men.
Why didn’t you buy the pen on your way home —Sorry, I forget ______money with me.
The game is boring, I don’t like it .
This listening material, together with its CD-ROMS,______well.
Alvin, are you coming with us—— I’d love to, but something unexpected _______.