This is the best way ______ I have thought of ______ the problem.
| A．that; solving | B．in which; solving |
| C．which; to solve | D．/; to solve |
Tom raised his handsto say something, but he remained silent in the end.
| A．even if | B．as if | C．so that | D．now that |
For some time the expert __________ people of the health risks caused by passive smoking. He says he won't stop until all the smokers around him decide to quit smoking.
| A．is warned | B．is warning | C．has been warning | D．has been warned |
—_____ that he picked up French?
—It was in 2010_____ he traveled in France.
| A．Was it when; that | B．When was it; that |
| C．Was it when; when | D．When was it; when |
Have you ever stopped _____ how our lie _____ if the world ran out of ol?
| A．to think, would change | B．thinking, would change |
| C．to think, will change | D．thinking, should change |
George could not speak Italian so he an Italian girl to work as an interpreter.
| A．hired | B．accompanied | C．instructed | D．directed |