That is the only way we can imagine __________ the overuse of water in students' bathrooms.
| A．reducing |
| B．to reduce |
| C．reduced |
| D．reduce |
Jackie，you hang all your clothes in the room like this！
| A．wouldn’t | B．needn’t | C．mustn’t | D．oughtn’t |
It was not until the 18th century that man realized that the whole of the brain was involved in the working of the mind， ？
| A．was it | B．wasn’t it | C．did they | D．didn’t they |
The door burst open and ， shouting with anger.
| A．rushed in a crowd | B．in a crowd rushed |
| C．a crowd in rushed | D．in rushed a crowd |
There is a real possibility that these animals could be frightened， a sudden loud noise.
| A．being there | B．there having been |
| C．there was | D．should there be |
If any employee is found information regarding applicants and staff， he or she will be fired immediately.
| A．having leaked | B．leaked | C．leaking | D．to be leaking |