. The 2010 Shanghai World Expo is well worth ______.
| A．visit | B．visited | C．to visit | D．visiting |
After several part – time jobs, he’s now got a job in a bank.
| A．precious | B．scary | C．specific | D．stable |
Since David ________ downloaded a virus into his computer, he can not open the file now．
| A．readily | B．accidentally | C．horribly | D．irregularly |
¾It’s getting dark, but Mr．Johnson is still at his office．
¾No surprise．Who else can ______ he does?
| A．do less work than | B．work as hardly as |
| C．work as hard as | D．be working hardly like |
People eatvegetables per person today as they did ten years ago.
| A．as twice many | B．as twice as many |
| C．twice as many as | D．twice as many |
The police tried to get some clues from the suspect，but he remained ．
| A．silent | B．quiet | C．calm | D．secret |