— The doctor is busy ________ his work.
#48117
A
at
B
for
C
with
D
on
推荐题目
The pay phone is ____ the post office ____ the library.
#48909
A
across from
B
between…and
C
next to
D
in, of
— The doctor is busy ________ his work.
The pay phone is ____ the post office ____ the library.