Paper produced every year is ________ the world’s production of vehicles.
| A．the three times weight of | B．three times the weight of |
| C．as three times heavy as | D．three times as heavier as |
Everything seems to be going______for the first two weeks after I moved to Shanghai.
| A．smoothly | B．vividly |
| C．frequently | D．generally |
The hunter shot at the birds ______ the big tree, only to shoot ______．
| A．on; nothing | B．on; neither | C．in; none | D．in; no one |
—How long did David work here?
—For half a year, he didn't leave much_______on us.
| A．expression | B．instruction |
| C．conclusion | D．impression |
_____ in a poor family made Tom very dilligent when he was still young.
| A．Brought up | B．Bringing up | C．Having brought up | D．Being brought up |
As many successful businessmen believe, courage is as ______ to pioneering work as the intelligence, even more so．
| A．accessible | B．essential | C．alternative | D．commercial |