1. John Snow became inspired when he thought about helping ordinary people                  to cholera.

A. exposing          B. exposed          C. being exposing   D. having exposed

2. The police planned to                  the public for any information about the missing girl.

A. object to         B. adapt to         C. appeal to        D. occur to

3. The manager demanded that the workers                  the task ahead of schedule.

A. accomplishing     B. accomplished     C. accomplish       D. to accomplish

4. She may fall ill,                 she will have to be taken to the hospital at once.

A. m that case       B. in which case    C. in case          D. m no case