There are about five ____ young trees on the hill.
A .hundred B. hundreds
C. hundred of D. hundreds of
I think there will be ____people and _____ pollution in the future.
A .fewer, many B. less, fewer
C. more, less D.less, fewer
If you want to talk to your teacher, you should _ _first.
A. called to her B. called up her
C. call her up D. called her up
The child isn’t old enough to _____ himself.
A. wear B. put on C. dress D. in
Yang Liwei is one of ________ in Chinese history.
A. the most important persons
B. most important person
C. the most important person
D. more important person
---________ will your head teacher come back from England?
---In two days.
A. How long B. How soon
C. How often D. How old
