We recommend you ______ at least 15 minutes before the start of your tour.
| A．arrive | B．arrived |
| C．will arrive | D．have arrived |
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 |
The room was ____with the simplest essentials, a bed, a chair, and a table.
| A．supplied | B．gathered | C．grasped | D．made |