---_______ one and a half months enough for the project to be finished?
---I am afraid not. The professor is ill and only after he recovers ________ go on with it.
| A．Is; he can | B．Are; he can | C．Is; can he | D．Are; can he |
The Guangxi Zhuang autonomous region _______ $ 1.59 billion worth of trade with the Association of Southeast Asian Nations in the first two months of this year.
| A．has seen | B．saw | C．had seen | D．sees |
As deputy mayor of Shenzhen from 2002 to early 2009, Liang Daoxing took bribes_____ favors.
| A．in return for | B．in turn for |
| C．in place of | D．in charge of |
Mr Brown is a(n) _____ secretary in our office, for he is able to do tasks successfully, without wasting time and energy.
| A．effective | B．efficient | C．flexible | D．sufficient |
_____ of the good results of the exam, the teacher felt very happy.
| A．informed | B．told |
| C．acknowledged | D．convinced |
It will be a while_____ the real-estate problems _____ are the root cause of the price rises are solved.
| A．since, which | B．after, which |
| C．before, that | D．when, that |