1．Many people are concerned ________ the pollution of the environment.
A．with B．for
C．of D．about
2．Take this but ________ you won’t get to the railway station in time.
A．but B．and
C．so D．or
3．In New York, things are quite different from China. Some stores ________ open all night long.
A．stay B．become
C．get D．come
4．After two years’ research, we now have a ________ better understanding of the disease.
A．very B．far
C．fairly D．quite
5．You have failed two tests. You’d better start working harder, ________ you won’t pass the course.
A．and B．so
C．but D．or
6．She devoted(奉献) herself ________ to her research and it earned her a good reputation in her field.
A．strongly B．extremely
C．entirely D．freely
7．________ worries me the way he keeps changing his mind.
A．This B．That
C．What D．It
8．My car is broken. I had to pay ＄20 to get it ______.
A. repair B. repairing
C. repaired D. to repair
9. Should you happen _______ our teacher, please give him my regards.
A. see B. seeing
C. to see D. to have seen
10. It took him a long time to _____ from a bad cold.
A. disagree B. concern
C. recover D. calm
