I don’t think it is a good idea, ________ ?
A. isn’t it B. is it C. do we
.I bought _______ exercise books with ________ money.
| A．less; less | B．more; less | C．fewer; fewer | D．more; fewer |
The harder you study, __________grades you’ll get.
| A．good | B．Better | C．best | D．the better |
---Do you mind _________your room? ---No, I’ll do that after finishing _________this article.
| A．clean, write | B．clean, writing | C．cleaning, write | D．cleaning, writing |
There used _______ a bus station in front of the building.
| A． to have | B．to be | C． to having | D． to being |
He worked late ______ eleven o’clock yesterday.
| A．after | B．until | C．since | D．at |