At the Copenhagen conference, all the countries were called on to do all they could to control greenhouse gas emissions________it was too late.
| A．when | B．after | C．until | D．before |
Regardless of the ______ of the game, I hope you guys play hard.
| A．income | B．outcome | C．effect | D．effort |
Success in life doesn’t happen________. It’s the result of devoting your time and energy to what you’ve set out to do.
| A．by force | B．by design | C．by accident | D．by choice |
It is a truth________acknowledged that when one has gained material wealth, he’ll surely seek for spiritual enjoyment.
| A．partly | B．universally | C．particularly | D．previously |
Letters to the editor must carry the writer’s full name, which indicates that writers are held________for what they say.
| A．considerate | B．reasonable | C．independent | D．previously |
We’d be very grateful if you could join us because your cooperation will________the timely completion of our project.
| A．reach for | B．make for | C．go for | D．stand for |