_____such heavy pollution already, it may now be too late to clean up the river.
#97852
A
Having suffered
B
Suffering
C
To suffer
D
Suffered
推荐题目
in her best skirt, the girl tried to make herself at the party.
#94278
A
Dressed; noticed
B
Dressing; noticing
C
Dressing; noticed
D
Dressed; noticing
While playing on the playground, ____.
#97827
A
a stone hurt me
B
a stone was hurt me
C
my leg was hurt by a stone
D
I was hurt by a stone
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#89785
A
to provide
B
provide
C
provided
D
providing
________ the danger of drunk driving, many drivers promised never to drive after drinking.
#96258
A
Realizing
B
To have realized
C
Realized
D
Having realized
A harmonious society is like a symphony orchestra—each person contributes a small sound，but when ______ with other sounds，it becomes beautiful music.
#98131
A
combining
B
being combined
C
combined
D
to be combined