问题
选择题
Mary gave Jack so much help that he gave her some roses ______ for her kindness. [ ]
A. in turn
B. by turns
C. in answer
D. in return
答案
答案：D
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Mary gave Jack so much help that he gave her some roses ______ for her kindness. [ ]
A. in turn
B. by turns
C. in answer
D. in return
答案：D