---What do you think of Tina?
---She works ____ than anyone else in my class.
A. harder B. hardest C. younger D. older
—_______is the population of Beijing ?
—Over ten million ,but I’m not sure .
A. How many B. How C. What D. How much
We should protect the earth because it’s home to _______animals .
A .million B. millions
C. million of D. millions of
It is difficult me _______ English well. But I’ll study harder.
A. to, learn B. for, learning
C. for, to learn D. to, to learn
___ ___ travel all over China during the summer holiday?
A. Why not you B. Why don’t you
C. What about D. It is a good idea
Please look at the word on the blackboard and ________.
A. write it down B. write down it
C. write them down D. write down them
