New computers are soon out of date since newer models are ________ constantly.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
With economy developing at great speed, our city has ________ quite a few changes in recent years.
A．witnessed B．accumulated
C．arisen D．introduced
