18. ---- Are you free after school? ---- Sorry. I’ve planned to treat a friend of mine to dinner ___

题目简介

18. ---- Are you free after school? ---- Sorry. I’ve planned to treat a friend of mine to dinner ___

题目详情


18. ---- Are you free after school?
---- Sorry. I’ve planned to treat a friend of mine to dinner _______for his help.
A.in chargeB.in honourC.in turnD.in return
题型:单选题难度:偏易来源:不详

答案

D

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