There will be ___________pollution and ___________ trees and flowers ifwe don’t try to care about the environment from now on.A. less, fewerB. less, moreC. more, fewer
_____interesting work it is to teach children!
.---I want to know if your son will go to the zoo. If your son does, so __________. --- Well, he is glad to be there.
---How long has the meeting _______? --- Just a minute. I will check the time.
----He’s never seen to eat so much food,______________? ----No, he always eats a little.
The teacher came in, ______ a smile ______ his face.