It was not until the subprime loan crisis(次贷危机) ____ great damage to the American financial system that Americans ____ the severity of the situation.
| A．caused, realized | B．had caused, realized |
| C．caused, had realized | D．was causing, had realized |
At first I doubted his ability, but in the end he _______to do the job well.
| A．succeeded | B．tried | C．managed | D．sought |
This species has nearly _________because its habitat is being destroyed.
| A．died down | B．died out | C．turned down | D．turned up |
He has been out of work for three months; as a result, he has to ____on family expenses by one-third.
| A．cut out | B．cut down | C．cut up | D．cut off |
——You are always full of __________.Can you tell me the secret?
——Taking plenty of exercise every day.
| A．power | B．strength | C．force | D．energy |
Standing on the top of the hill, you can get a good ________of the whole city.
| A．view | B．sight | C．scene | D．look |