问题标题:
Hedidn'twanttotellmehowmuchthebag____.AcostBcosted(说一下原因,谢谢)
问题描述:
Hedidn'twanttotellmehowmuchthebag____.AcostBcosted(说一下原因,谢谢)
陈世悦回答:
答案:A
cost的过去式就是cost本身.
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