We live_________ the second floor _________a flat.
#46484
A
at; in
B
on; at
C
on; in
D
in; on
推荐题目
He has poor eyesight _______computer work
#48530
A
because too many
B
because too many
C
because of too much
D
because of much too
 We often go to school _______ 8:20 ________ the morning. 
#48756
A
in, at
B
at, in
C
at, on
D
on, in