That is his book ___ the lost and found case. 
#49158
A
on
B
in
C
for
D
at
推荐题目
 We study _____ school during ______ day.
#49292
A
for; a
B
at; the
C
for; /
D
at; /
He is sitting __________ the classroom.
#48172
A
at the front
B
in the front of
C
in front
D
in front of