In order to be ________ for Christmas, all these gifts must be mailed immediately.
| A．against |
| B．in time |
| C．at a time |
| D．in no time |
________that between 2000 and 2020，over 68 million people will die of AIDS in the countries most affected by epidemic.
| A．What is estimated |
| B．As we estimate |
| C．It's estimated |
| D．It estimates |
The little boy was so careless with his spelling that he often________letters from words.
| A．left out |
| B．left behind |
| C．left off |
| D．let alone |
Many factories and banks in some countries have closed down as a direct________of the financial crisis worldwide.
| A．matter |
| B．consequence |
| C．whole |
| D．total |
－Water is the most precious resource in the world.
－So the government________every one of us to save water.
| A．appeals to |
| B．objects to |
| C．turns to |
| D．takes to |
We can hardly imagine Tom________the heavy task in a single day.
| A．finish |
| B．finishing |
| C．to finish |
| D．to have finished |