------Can those_____ at the back of the classroom hear me?
------- No problem.
A. seat B. sitted C. seated D. sat
Teenagers _____ their health because they play computer games too much.
A. have damaged B. are damaging C. damaged D. will damage
How many pages have you_____ so far? Can you return the book ____ me tomorrow?
A. looked; for B. seen; to C. covered; to D. turned; for
The house rent is expensive. I’ve got about half the space I had at home and I’m paying_____ here.
A. as three times much B. as much three times
C. much as three times D. three times as much
John didn’t choose _____ of the ties and went away without looking at a third one.
A．many B．either C．all D．any
The key you have just got the front door.
A. is used to opening B. is used to be opened
C. is used to being opened D. is used to open
