— The doctor is busy ________ his work.
#48117
A
at
B
for
C
with
D
on
推荐题目
---Why does the boy bring a chair here?---Because the bookshelf(书架) is half a metre __________ his head. He has to stand on it to get the books on it.
#47904
A
above
B
under
C
on
D
behind
Lucy and I are twins, but we’ re different ______ each other in many ways.
#49177
A
for
B
in
C
of
D
from
My father enjoys __________ newspapers __________ breakfast.
#48716
A
watching; for
B
seeing; for
C
to read; at
D
reading; at