The child has to come to school by bike ________ his own.
#46306
A
in
B
by
C
on
D
of
推荐题目
The teaching building has five floors. My classroom is ______________ the third floor.
#50548
A
on
B
in
C
at
D
to
Mr. Black is strongly _____ keeping animals in the zoo, because he thinks animals should also have the right to enjoy freedom.
#45935
A
up
B
down
C
for
D
against
