More than 200 dead pigs       in the waterways have raised urgent concern.
#91253
A
found
B
being found
C
to be found
D
having found
推荐题目
___ the room, the nurse found the tape-recorder ___. 
#95593
A
Entering; stealing
B
Entering; gone
C
To have entered; being stolen
D
Having entered; to be stolen
 To those_______ in martial arts(武术), the period from 1972 to 1975 is often said_______ the Bruce Lee era.
#91483
A
involving; being
B
to involve; to be
C
involved; to be
D
involve; being
The president said that it was a great honor for him ______ his country in the past two weeks.
#91805
A
to visit
B
to be visiting
C
to have visited
D
to have been visited