The real reason why prices ____ , and still are, too high is complex, and no short discussion can satisfactorily explain this problem.
| A．were | B．will be |
| C．have been | D．had been |
相关试题
Out of the crowded bus ____________ , who was dressde in a black suit and waved to a woman.
| A．a tall man in his thirties stepped |
| B．stepped a tall man in his thirties |
| C．did a tall man is his thirties step |
| D．did a tall man step in his thirties |
There are varieties of programs in the TV station to __________ many different types of interests and tastes among the public.
| A．cater to | B．appeal to | C．apply to |
D．adjust to |
__________ the zoologists tried to prove was that the photo of the South Chha Tiger had been staged or technologically dealt with.
| A．That | B．Why | C．Whether | D．What |
In the clinic the doctor gave me a (n) ___________ for anti-H1N1 flu.
| A．indication | B．prescription |
| C．direction | D．reservation |
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