評論
打印
635.The thief broke in,trying to open the safe but ________.
A.in vain
B.in no way
C.on no condition
D.on purpose
636.The teacher is writing ______ a piece of chalk on the blackboard while the students are writing ____ ink in exercise books.
A.with,in
B.in,with
C.in,in
D.with,with
