---Are the food and clothes_________the quake-hit area?
---Yes, they will be flown there ahead of time.
| A．flowing to | B．flew to | C．being flown to | D．been flowing to |
For some time now, Chinese people under the leadership of CPC____ the contents of Scientific Development Theory in the course of practicing socialism in China．
| A．had been improving | B．have been improving |
| C．were improving | D．improved |
I had just stepped out of the bathroom___ I heard the steps．
| A．while | B．when | C．since | D．after |
．After the new technique was introduced, the factory produced___ in 2001 as the year before．
| A．as twice many machines | B．twice as many machines |
| C．as many machines twice | D．twice many machines |
．—I did not know you were good friends．
—You___．I have known her since she moved here．You were abroad then．
| A．may have | B．needn’t have | C．couldn’t have | D．must have |
．The unemployment rate in this district______ from 6% to 5% in the past two years．
| A．has fallen | B．had fallen | C．is falling | D．was falling |