_______ such heavy pollution already, it may now be too late to clean up the river.
#98615
A
Having suffered
B
Suffering
C
To suffer
D
Suffered
推荐题目
________the new economical policy，he expanded his business and made more profits than before.
#89526
A
Benefiting from
B
Benefited from
C
Having benefiting
D
To benefit
--- Robert is indeed a wise man.---Oh, yes. How often I have regretted_______his advice!
#98651
A
to take
B
taking
C
not to take
D
not taking
ack went to college last year, _______ to return home until he achieves his goal.
#90112
A
determined not
B
determining not
C
not determined
D
not determining
After the snowstorm, mailboxes in the community were covered by snow, or _______, or lying on the ground.
#90883
A
breaking
B
being broken
C
having broken
D
broken