There are six floors ______our school building. Our class is ______ the third floor. 
#46412
A
in, on
B
in, in
C
on, in
D
on, on
推荐题目
I get up______6:40______the morning.
#48246
A
at; at
B
in; in
C
at; in
D
in , at
 Look _______ the girl. She looks _______ her sister.
#46793
A
at, at
B
like, like
C
after, like
D
at, like
China is ____ the west of Japan and ____ the east of Asia. 
#46198
A
in; to
B
to; in
C
on; to
D
at; in