The mayor has announced a plan recently       water pollution of the city. 
#88878
A
prevent
B
preventing
C
to prevent
D
prevented
推荐题目
No matter how bright a talker you are, there are times when it’s better     silent.
#91718
A
remain
B
to remain
C
having remained
D
to be remained
The murderer ran away from his village, trying to avoid ______ by the police, but in vain.
#96813
A
to be caught
B
being caught
C
to be catching
D
to catch
He is a student at Oxford University, _________ a degree in computer science.
#93082
A
to have studied
B
studied
C
studying
D
to be studying
When caught         in the exam,he begged for my pardon and tried      punishment.
#92590
A
cheating;escaping
B
cheating;to escape
C
to be cheating;escaping
D
to be cheating;to escape