----What can I do for you?
----I’d like to buy a present for my teacher’s birthday, ___ at a proper price, but of great value.
| A．that | B．one | C．it | D．everything |
Do you agree____ this plan (arrangement)?
| A．at | B．with | C．on | D．to |
I agree ____ what you said.
| A．to | B．on | C．with | D．at |
He wrote the article ____ three days.
| A．at | B．in | C．on | D．by |
He will return____ three o'clock.
| A．after | B．in | C．on | D．at |
He went to Beijing and returned ____ three days.
| A．in | B．before | C．later | D．after |