Before you make some coffee, you should make sure the coffee pot ____.
| A．wiped out | B．is wiped out | C．wiped off | D．is wiped off |
The news spread quickly through the campus _________ we would have a longer holiday, ________ made all the students wild with joy.
| A．which; that | B．that; what |
| C．that; which | D．what; which |
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 |