Michael works _______ a farm. His sister works ____ a factory.
#49998
A
in, in
B
on, on
C
in, on
D
on, in
推荐题目
We should throw the rubbish into the dustbin ______ protect our environment. 
#49489
A
as a result
B
so that
C
in order to
D
in order not to
---_____do you tell him the news? ---By _____an e-mail.
#47248
A
How, sending
B
How, send
C
What, sending
D
What,send
Mary sits _________ the classroom and I sit _________ her.
#46294
A
in the front of, in the front of
B
in front of, in front of
C
in the front of, in front of
D
in front of, in the front of