In this section, we will briefly describe possible ways of reducing the costs and risks __________ in doing this.
| A．involving |
| B．involved |
| C．to involve |
| D．being involved |
All these flowers will __________ life when the rain come.
| A．go to | B．come to |
| C．see to | D．refer to |
I don't __________ computer books, since they tend to go out of date really quickly.
| A．care about | B．care for |
| C．look about | D．look for |
He was very __________ of my safety.
| A．thought | B．thinking |
| C．thinks | D．thoughtful |
If you've finished we can have a coffee, if not, you'd better keep __________.
| A．worked | B．to work |
| C．working | D．being worked |
One of the most important tasks for a school is to help and promote to __________ a child's character.
| A．advance | B．preserve |
| C．transform | D．form |