We must try our best to stop the pollution            a happier life.
#61162
A
from live
B
from living
C
living
D
to live
推荐题目
My good friend is leaving for his hometown . I’m going to ________ .     
#62309
A
see him off
B
see off him
C
see about him
D
see him out
---What are you ______?   ---I can’t find my dictionary.
#59635
A
looking at
B
looking down
C
looking for
D
looking like