Television keeps us informed about （）events and the latest developments in politics and science.

单项选择题Such problem （）air, water, and noise pollutions are becoming more and more serious in some big cities.

A.like
B.as
C.of
D.about

单项选择题I really hope that you will （）your trip to Canada and get back as soon as possible when people have to knowledge of the law.

A.prefer
B.refer
C.enjoy
D.i nfer

单项选择题He said that he was （）aware of the difficulty of being a father.

A.highly
B.fully
C.soundly
D.firmly

单项选择题Problems may （）

A.rise
B.jump
C.arise
D.lift

单项选择题The foreign guests said that they were very happy （）the great changes which had taken place in the village.

A.to
B.for
C.about
D.by

单项选择题Having a good command of English is（）an easy thing.

A.by all means
B.by any means
C.by every means
D.by no means

单项选择题（）your help, I could not have finished my work so early.

A.with
B.by
C.for
D.without

单项选择题The manager of our company asked me if was possible for me to（）the marketing plan within a week.

A.set out
B.work out
C.make out
D.put out

单项选择题Not being able to speak English,they felt rather（）in the USA.

A.strange
B.puzzled
C.alone
D.lonely

单项选择题We advised them to take a rest, but they （）on finishing the work.

A.insisted
B.persisted
C.existed
D.resized