_______ 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
I am pleased to have this chance today ______to you about the United Nations or the UN.
#94752
A
talking
B
to talk
C
talked
D
talk
_______ many times, he finally understood it.
#96770
A
Told
B
Telling
C
Having told
D
Having been told
China first agreed the six-party talks about North Korea nuclear weapons program.
#95850
A
to attend
B
to join
C
to participate in
D
to take a part
-What has made him in such a low mood recently?-_____by his father for not passing the exam.
#90322
A
Being criticized
B
Criticized
C
Having criticized
D
To criticize