We should think of ways to stop the waste from the factory _____ our living environment. 
#97826
A
being polluted
B
polluting
C
from being polluted
D
Polluted
推荐题目
When ________ to the market, these products were very popular.
#90769
A
introducing
B
introduced
C
introduce
D
being introduced
He left home early only______he was late as he went a wrong way.
#98568
A
found
B
to find
C
finding
D
being found