As the quality of the city’s air continues to give rise to ______, the residents are encouraged to set off fewer fireworks.
#11625
A
concerns
B
descriptions
C
catastrophe
D
emergency
推荐题目
--- What on earth are the police busy with?--- They have been investigating how the train crash __________.
#12250
A
came out
B
came across
C
came about
D
came up
If you want to catch your flight, you’d better ____ for the airport right now.
#12767
A
cut off
B
cheer up
C
set off
D
settle down
The policeman caught hold of the thief and hit him ____the head．
#13648
A
in the
B
on his
C
on the
D
in his
His sudden ______ of violent anger put an unpleasant end to the meeting.
#12867
A
power
B
attack
C
burst
D
express
A new case study says Chinese companies face tough _____in the US and have a long way to go to be successful.
#12552
A
challenges
B
campaigns
C
motivations
D
dilemmas