问题
选择题
Mr.Han,my neighbor,is always helping those who are in trouble without expecting anything ____.[ ]
A．in turn
B．in return
C．in detail
D．in addition
答案
答案：B
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Mr.Han,my neighbor,is always helping those who are in trouble without expecting anything ____.[ ]
A．in turn
B．in return
C．in detail
D．in addition
答案：B