问题
选择题
I don't think it was an accident at all. Your brother did it _____. [ ]
A. for purpose
B. on purpose
C. in order
D. by chance
答案
答案：B
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I don't think it was an accident at all. Your brother did it _____. [ ]
A. for purpose
B. on purpose
C. in order
D. by chance
答案：B