We need to put safeguards ______ to prevent this type of accident occurring again.
#25579
A
in mind
B
in trouble
C
in general
D
in place
推荐题目
It’s a mistake to think of Florida only ______ its tourist attractions.
#26774
A
in addition to
B
by way of
C
in terms of
D
by means of
He didn’t do well _____ Chinese. He had some trouble ______ it.
#27461
A
in, in  
B
for, with
C
with, for
D
in, with