We don’t allow in the lecture hall, so you are not allowed here.
A. smoking...smoking B. to smoke...to smoke
C. smoking...to smoke D. to smoke...smoking
There is something wrong with my bike, so I’ll get it tomorrow.
A. repairing B. being repaired C. to repair D. repaired
The most interesting thing we should pay attention to is the first thing
I have said.
A. which...that B. that...which
C. which...which D. that...that
When first to the market, these products enjoyed great success.
A. introducing B. introduced C. to introduce D. being introduced
There is cooking oil left in the house. Would you go and get .
A. little...any B. little...some C. a little...any D. a little...some
--I haven’t heard from John for a long time.
--What do you suppose to him?
A. was happening B. to happen
C. has happened D. had happened