—What class are they having?—Math. Their math teacher is _____ the classroom.
#48064
A
in the front of
B
in front of
C
on
D
behind
推荐题目
----How did he finish the work?----I hear that he did it __________
#48372
A
in the own
B
on his own
C
of the own
D
all his own
--- How do you study ______ a test? --- I study ______ working with a group.
#51343
A
for, by
B
by, in
C
for, from
D
by, for