We are all aware _________ the many threats _________ the environment and we need to take action to prevent us from the bad consequences.
| A．of; to | B．of; on | C．that; to | D．that; on |
More than one hundred got saved from the fire _____ helicopter.
| A．in | B．with | C．by | D．from |
You didn ’ t let me drive. If we _____ in turn, you ______ so tired.
| A．has left; comes | B．drove; wouldn’t have got |
| C．were driving; wouldn’t get | D．had driven; wouldn’t have got |
So loudly ______ that every one of the class could hear him.
| A．did he speak | B．did he spoke | C．spoke he | D．he spoke |
If my brother is allowed to go out, ______.
| A．so should I | B．so am I | C．so should I | D．so I am |
No sooner _____ they rushed out into the street.
| A．did they hear the news than | B．had they heard the news than |
| C．did they hear the news when | D．had they heard the news when |