When I first met him, it seemed as if he______food for days.
| A．did not eat | B．had not eaten | C．was not eating | D．would not have eaten |
Is it the country ________ you studied ________ you are going to visit next week?
| A．in which; which | B．where; that | C．that; that | D．where; where |
Why do you always drive to work _______ you could easily take the bus?
| A．because | B．though | C．once | D．when |
Most people are in favor of the _______ against smoking in public places.
| A．collision | B．negotiation | C．prohibition | D．discrimination |
Perseverance is a kind of quality, and that’s ______ it takes to do anything well.
| A．what | B．that | C．when | D．why |
The price of agriculture products _______ since the beginning of last year.
| A．is going up | B．had gone up | C．went up | D．has been going up |