A rescue worker risked his life saving two tourists who _________ in the mountains for two days.
| A． |
are trapping |
B． |
have been trapped |
C． |
were trapping |
D． |
had been trapped |
（）I don’t really like the author,_______ I have to admit his books are very exciting.
| A．although | B．unless |
| C．until | D．once |
The role of Chinese Dama in the economy has been over-estimated by some western media ______ their “gold rush” has had little influence on gold prices.
| A．so that | B．but that |
| C．now that | D．in that |
The map is one of the best tools a man has _ _ he goes to a new place.
| A．whenever | B．whatever |
| C．wherever | D．however |
__ you get no applause, you should accept a curtain call gracefully and appreciate your own efforts.
| A．Even though | B．As long as |
| C．Until | D．As far as |
—Who should be responsible for the accident?
—The boss, not the workers.They just carried out the order .
| A．as told | B．as are told |
| C．as telling | D．as they told |