The operation room in every hospital has to ______ bacteria of any kind.
#68453
A
keep free from
B
make it free from
C
be made free from
D
be kept free from
推荐题目
“ ,” he said.“Things really are not as bad as they seem to be.We still have our last chance.”
#82056
A
Look up
B
Stand up
C
Warm up
D
Cheer up
He went on talking while I tried to ______ what it meant.
#72849
A
come out
B
set out
C
take out
D
figure out
He took pity on the people in the earthquake areas in Yaan and his clothes and quilts to them.
#65527
A
gave out
B
gave away
C
sent out
D
threw away
—What have you done with my cat?—I'm terribly sorry.I've ________ it.Believe me, it's an accident.But I'd like to pay for it.
#63927
A
run after
B
run over
C
run through
D
run across
