.I am here not because I want to earn money ________I want to educate the children.
| A．but | B．but because | C．but for | D．and because |
________ the past，our life is much better.
| A．Comparing with | B．Be compared |
| C．To compare with | D．Compared with |
________ for several weeks，the city needed food.
| A．As having flooded | B．Being flooded |
| C．Having been flooded | D．To flood |
I went to see him，________ him out.
| A．finding | B．find |
| C．only to find | D．to finding |
Volunteering gives you a chance ________ lives, including your own.
| A．change | B．changing | C．changed | D．to change |
________ basic first－aid techniques will help you respond quickly to emergencies.
| A．Known | B．Having known |
| C．Knowing | D．Being known |