New ways have been found to prevent the river ______.
#70821
A
not to be polluted
B
against polluting
C
from polluting
D
from being polluted
推荐题目
Each player tried his best to _________ the game.
#76053
A
beat  
B
defeat
C
catch  
D
win
---Dose the building have a long history? ---Certainly. It ______ 300 years.
#68823
A
dates from
B
dated from
C
dates back to
D
dates back
He has the ________ of rich experience ______other workers . 
#64240
A
advantage ; than
B
disadvantage ; over
C
disadvantage ; than
D
advantage ; over