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
great efforts to practice English, Mary has made much progress in spoken English.
#95233
A
To make
B
Having made
C
Made
D
Making
The old man sat in front of the television every evening, happy _____ anything that happened to be on.
#94840
A
to watch
B
watching
C
watched
D
to have watched
The 2012 Olympic Games ________ in London appealed to a lot of people across the world.
#89535
A
held
B
to hold
C
being held
D
to be held
–Do you have anything _________ for the weekend?–Yes. Go fishing with my son.
#94616
A
planned
B
planning
C
to plan
D
to be planned