According to Aristotle，we are ________ we repeatedly do.Excellence then，is not an act，but a habit.
| A．which | B．when | C．where | D．what |
The Klondike was the_____ of one of the biggest gold rushes the world has ever known.
| A．scene | B．view | C．event | D．landscape |
We have to ask them to ____talking in order that all people present could hear us clearly.
| A．decrease | B．quit | C．continue | D．keep |
Because _____ the whole company, he sometimes has to work around the clock.
| A．adjusting | B．evaluating | C．engaging | D．managing |
When does the next train _____?
| A．pull up | B．pull down | C．pull out | D．pull in |
The local government decided to ____ the two firms into a big one.
| A．motivate | B．combine | C．compact | D．nominate |