For a moment Tom was ________ how to reply to the question.
| A．no idea | B．not knowing | C．puzzling | D．at a loss |
-Are you bored with working with children all day?
-Bored? __________
| A．It's hard to say. |
| B．How do you find it? |
| C．I get a kick out of it. |
| D．it all depends. |
Our government means to __________ the gap between the rich and the poor by increasing the tax on one's income.
| A．cover |
| B．measure |
| C．expand |
| D．narrow |
As early as his second film, Chaplin had developed his own manner of acting, the one that __________ world famous.
| A．would become |
| B．became |
| C．was to become |
| D．had become |
The natural resources, such as mine, forest, and hydropower （水电）in that area have been __________.
| A．developed |
| B．exploited |
| C．improved |
| D．expanded |
The matter __________ to our study requires __________ with carefully.
| A．related; dealing |
| B．relating; dealt |
| C．related; being dealt |
| D．relating; have dealt |