—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
—____do you improve your English? —I improve it___listening to tapes.
#46391
A
How, with
B
What, with
C
How, by
D
What, by
Many of us like playing football ________our free time________the weekend.
#46357
A
at,at
B
at,in
C
in,in
D
in,at
