Experts warn that medical waste from hospitals, if      properly, may contribute to spreading diseases.
#88622
A
not handled
B
not being handled
C
not to be handled
D
not having been handled
推荐题目
____________________ to the party, Joan was greatly hurt.
#93621
A
Having not been invited.
B
Having not invited
C
Not having been invited
D
Not having invited
Take care not to get your shoes ______ in mud.
#96603
A
wet or covered
B
to be wet or covered
C
to be wet or covered
D
wet or be covered
It is reported that some wild animals were found_______ in a big cave in the mountain.    
#98558
A
to hide dead
B
hidden dead
C
hiding dead
D
hidden death