Traffic restrictions have come into effect in Beijing ______to improve the capital’s air quality and traffic situation for the 2008 Olympics．
#28650
A
in order that
B
in an attempt
C
at an attempt
D
in a try
推荐题目
We are all aware _________ the many threats _________ the environment and we need to take action to prevent us from the bad consequences.
#25696
A
of; to
B
of; on
C
that; to
D
that; on
The job is great _____ salary,but it has its disadvantages.
#29003
A
other than
B
except for
C
in view of
D
in terms of
Only by ______ your attention ______ what you are learning can you learn it well.
#28490
A
focus；on
B
pay；on
C
focusing；on
D
paying；on