Whenever you meet with difficulties, you can ask the policeman ____help.
#51261
A
at
B
in
C
for
D
with
推荐题目
I was born ________ the morning ______ August 1st, 1993.
#49915
A
in ; of
B
on ; of
C
on ; for
D
at ; of
—What do you think of genetically modified food (转基因食品)? —We all think ______ is careless ______ some scientists to say it is safe before doing any experiment.
#47017
A
that, for
B
it, for
C
it, of
D
that, of
