-- The cars give off a great deal of waste gas in the streets. --- Yes. But I’m sure something will be done to ___ air pollution.
#72571
A
reduce
B
remove
C
drop
D
warn
推荐题目
In the evenings he ______ in his books .
#75062
A
reads him
B
reads himself
C
buries him
D
buries himself
Who ________a theory about black holes? 
#71224
A
slow down
B
put forward
C
absorb into
D
make room for