We must learn how these “problems” “challenges”.
A. change in B.change，into
C. to change , into D. to changed, into
— do you study for a test?
—I study_______ working with a group .
A. What , with B. How, by
C. Why , by D. What, by
The writer had trouble complete sentences
A. making B. to make C. makes D. make
It looks like rain, doesn’t it?--- _______.
A. Yes, it doesn’t B. Yes, it does.
C.No, it does D.No, it isn’t
Lin Fen _____a lot in the last few years.
A. has changed B. changes
C. is changing D. has change
You should the new words when you don’t know how to spell them.
A. look for B.look up
C.look after D. look down
