Prices of daily goods ________through a computer can be lower than store prices．
| A．are bought | B．bought | C．been bought | D．buying |
Liang Bo, who came out ________ first in the TV show of the Voice of China in July 2012 , will become ________ super star.
| A．/, a | B．the, a | C．the, the | D．/, the |
A new technique ____ out, the yields (收成) increased by 20% .
| A．having working | B．having been working |
| C．has worked | D．had been worked |
To our surprise, the painting considered______ should have won the prize.
| A．being copied | B．having been copied |
| C．to have copied | D．to have been copied |
A great many means ______ to fight the forest fire in Russia even Russian Prime Minister Putin took part in the fight personally.
| A．have been tried | B．has been tried | C．has tried | D．have tried |
One’s awareness, both conscious and unconscious, of what happened in the past has a strong on one’s behavior.
| A．pressure | B．role | C．influence | D．power |