The boss requested that he _____ there to work.
| A．was sent | B．be sent |
| C．should send | D．would be sent |
It is important to know about the cultural differences that cause problems.
| A．must | B．dare | C．shall | D．may |
If we earlier, we couldn’t be waiting here in a queue.
| A．have started | B．started | C．start | D．had started |
Our country should set up more national parks animals can live freely.
| A．when | B．which | C．where | D．whose |
— Can the project be finished as planned?
— Sure. it completed in time, we’ll work two more hours a day.
| A．Get | B．To get | C．Getting | D．Got |
Don’t litter in the street in Singapore, you could be arrested.
| A．or | B．and | C．but | D．so |