—When does your plane take off?
—At 3：00 p．m. tomorrow. I've just called the airport to ________ it.
| A．intend | B．argue | C．organize | D．confirm |
The U.S.A. made a lot of excuses in an attempt to make war on Iran. However, its ____ purpose lay in the plentiful oil there.
A. incredible B. fundamental C. flexible D. identical
---You ought to have warned him of the danger!
--- ____! But he wouldn’t listen!
| A．So did I | B．So ought you | C．So I did | D．So I have |
The flood is believed ____ more than 50 people and made thousands homeless, ____ it perhaps the most destroying flood in history in the area.
| A．killing; to make | B．to have killed; making |
| C．to have killed; having made | D．having killed; making |
. How can you expect to learn anything ____ you devote all your energies to playing computer games?
| A．in case | B．while | C．when | D．unless |
He ____ down his life for the cause of freedom.
| A．gave | B．took | C．killed | D．laid |