— The doctor is busy ________ his work.
#48117
A
at
B
for
C
with
D
on
推荐题目
– Why did they help Mrs Brown with her work?– Because she was _____.
#48074
A
an old friend of them
B
the friend of them
C
on the their friend
D
a good friend of theirs
It is reported that the victim was attacked _______ a gun_______ a short, fat man.
#48315
A
by, with
B
with, by
C
for, to
D
to, for
Sandy is a real book lover and she often brings home many books to read the library．
#47799
A
in
B
for
C
by
D
from