---They are quiet, aren’t they?
---Yes. They are __________at meals.
| A．used to talk | B．used not to talk |
| C．accustomed not to talking | D．accustomed to not talking |
— People says your little brother has been admitted into Qinghua University.
— Yes. Never ________ he could achieve so much success.
| A．I had thought | B．I would have thought |
| C．could I have thought | D．will I have thought |
We all know laws to discourage the use of plastic bags _______ in many parts of the world.
| A．passed | B．have passed | C．had been passed | D．have been passed |
Everybody had a (an) ___________ that she was a good match for the young man.
| A．attitude | B．impression | C．imagination | D．memory |
— There are so many current styles, which one should I choose?
— ________.
| A．It’s your opinion | B．I don’t mind |
| C．It’s all up to you | D．That’ s your decision |
________ reducing pullution, man should pay more attention to conserving energy.
| A．As well as | B．As long as | C．As far as | D．as soon as |