一What does the sign over there read?
一“No person ______ smoke or carry a lighted cigarette, cigar or pipe in this area.”
| A． shall | B． may | C． will | D． must |
New computers are soon out of date since newer models are ________ constantly.
| A．turned up | B．turned out |
| C．turned down | D．turned over |
John said he wasn't disappointed at the result of the basketball game, but the look on his face ________ him ________.
| A．turned; down | B．took; in |
| C．made; out | D．gave; away |
Most of the people present at the meeting think poorly of the proposal, which they think will________ the worsening of the environment.
| A．adapt to | B．refer to |
| C．subscribe to | D．contribute to |
Drinking water, having a healthy diet and taking exercise are all positive ways to ________ you when you are working on a tight schedule.
| A．relieve | B．refresh |
| C．liberate | D．comfort |
—Why didn't Mr.Smith arrive on time for the meeting?
—He must have been ________ on his way here in the traffic jam.
| A．held up | B．put up |
| C．taken up | D．given up |