Scientists _______ a lot of experiments on animals, hoping to find and effective way to cure the patients who had AIDS.
#70454
A
carried on
B
carried out
C
carried away
D
carried off
推荐题目
When he realized the police had seen him, the man______the exit as quickly as possible.
#84374
A
made up
B
made for
C
made out
D
made off
Tom tried to __________ in German.
#73077
A
understand himself
B
make himself understanding
C
make himself understood
D
make himself understand
The billionaire ______ all his possessions to his son when he died.
#66001
A
write down
B
get down
C
handed down
D
turn down
—What a beautiful necklace!—Yes.But the necklace I __________ 80 dollars is made of glass.
#82208
A
paid for
B
spent on
C
cost on
D
bought for
Though I am improving in my study, I still have a long way to go _____some of my classmates.
#65317
A
to compare with
B
to compare to
C
compared with
D
comparing with