______ has already been pointed out, only by correcting mistakes, can you make progress.
| A．It | B．As | C．That | D．What |
When you cross the street, you can never be _______ careful.
| A．too | B．very | C．much | D．so |
—I always close all the windows before I sleep. —You’re right. You can not be too ____.
| A．careful | B．nervous | C．careless | D．hurried |
He’s _______ working in Germany as a representative of a Chinese company.
| A．lately | B．recently | C．presently | D．likely |
________, he still couldn't afford it.
| A．Cheap although the computer was | B．Cheap as the computer was |
| C．As the computer was cheap | D．However cheap was the computer |
With the help of the new equipment, our factory produced ________ VCD players in 2001 as the year before.
| A．as many as twice | B．twice more than | C．as twice many | D．twice as many |