—He looks unhappy.
—Yes,but he can’t say what it is_______is bothering him.
| A．as | B．that | C．what | D．which |
She is not certain about __________ she has done anything wrong.
| A．if | B．whether | C．that | D．What |
People started to dig in the area for treasure, __________ much damage.
| A．causing | B．to cause |
| C．has caused | D．Cause |
The Chinese language differs__________ Western language in __________ it uses characters which stand for ideas, objects or deeds.
| A．in ; that | B．from; that |
| C．with; which | D．from; / |
When __________ why he was late again, Jack didn’t say anything.
| A．asked | B．to be asked |
| C．being asked | D．Asking |
It is well known that the Internet will let people have __________to huge amounts of information from their own houses.
| A．approach | B．attachment |
| C．attention | D．Access |