It was quite a long time _____I made it out what had happened.
| A．after | B．before | C．when | D．since |
Owing to heavy traffic jams, many people would like to choose the train ______ driving.
| A．in preference to | B．in addition to |
| C．in answer to | D．in relation to |
— Thank you very much for giving me a hand when I was in trouble.
— Don’t mention it. I only did what anyone else _______ in my place.
| A．must do | B．could have done |
| C．would do | D．can have done |
As to the long-term effects of global warming some believe that the damage has been done, ______________________.
| A．otherwise we take steps to make up now |
| B．now that we take steps to make up |
| C．whether we take steps to make up now or not |
| D．unless we take steps to make up now |
He glanced through the guide book, ___________ only those pages __________.
| A．reading, concerned | B．to read, concerned |
| C．having read, concerning | D．reading, concerning |
What best quality ______ most people _______ in others is the willingness to admit one’s mistakes.
| A．which, approve | B．/, appreciate |
| C．that, impress | D．where, regard |