Everybody showed great respect to the old doctor, who devoted everything he had to __________ the poor conditions of the local hospital. 
#70582
A
improving
B
improve
C
to improve
D
being improved
推荐题目
Do you have any difficulty ______ these flowers? I’d like to help you if you need.
#67975
A
to plant
B
for planting
C
with planting
D
in planting
My father walked _____ in the room, looking as if he was thinking over something.
#83080
A
now and then
B
up and down
C
again and again
D
over and over
It’s difficult for him to        without a car.
#72272
A
get off
B
get in
C
get on
D
get around