True friendship is like sound health, ________ the value is seldom known until it is lost.
| A．from which | B．which | C．of which | D．whose |
He visited the Effel Tower, which __________to 1889, during his stay in France last summer.
| A．dated back | B．dates back |
| C．has dated back | D．has been dated back |
Feb. 14,2010, to most Chinese, is not just____ day devoted to people in love, but also _____day to express their care to their family and friends.
| A．a; a | B．a; the | C．the; the | D．the; a |
--- Will you join us in the dance tonight?
--- I’m afraid not. My uncle is coming by train at 7 pm and I ____ him at the station then.
| A．will meet | B．am about to meet | C．will be meeting | D．meet |
In nature some animals actively defend the area ____they depend for the resources.
| A．in which | B．on which | C．which | D．where |
--- What are you up to now?
--- I’m preparing for the interview ____ tomorrow. After all, it is my first attempt.
| A．will be held | B．to be held | C．being held | D．held |