A professor and a writer present at the meeting.
| A．was | B．is | C．were | D．had been |
It’s recommended that the government ________ the local people to reduce the carbon emission in their daily lives.
| A．must appeal to | B．should appeal |
| C．appeal to | D．appealed to |
No matter how hard the government has tried to search for it, the missing Malaysian flight MH370 is still nowhere _________.
| A．to find | B．to be found |
| C．to finding | D．being found |
Animals are different from plants ________ they can move when they are attacked by others.
| A．where | B．in which |
| C．for which | D．in that |
The approach _________ the problem is contrary ________ our expectations.
| A．of; to | B．to; to | C．to; on | D．for; on |
She is always thinking more of herself, seldom, ________, offering to help others.
| A．if never | B．if possible |
| C．if ever | D．if any |