Mark was a student at this university from 2006 to 2011，________he studied very hard and was made Chairman of the Students’ Union.
| A．during which time | B．for which time | C．during whose time | D．by that time |
They have held several meetings to _____ next year's production plans.
| A．set down | B．make out | C．work up | D．draw up |
Once new difficulties _________ in your work, it’s always important to use your brains．
| A．raise | B．arise | C．arouse | D．rise |
When the peace talk failed．There was a fear that war may ____________ at anytime．
| A．break off | B．break up | C．break out | D．break down |
_________ seems no sense in complaining．We should take action now．
| A．That | B．This | C．It | D．There |
The TV play series The Revolution of 1911, broadcast on CCTV1 lately, is ________ the 100th anniversary of The Revolution of 1911.
| A．in favor of | B．in honor of | C．in place of | D．in search of |