The pot ______for____hot water A.used;keeping B.was used;keepingC.is used;to keepD.are used;keep

题目

The pot ______for____hot water A.used;keeping B.was used;keepingC.is used;to keepD.are used;keep
答案是选择C,可是我实在是想不通...为什么啊,

答案

XXX is used for YYYxxx 是用作 YYY (XXX的用途/用处）Keeping ZZZ收藏/储存ZZZ,相等于StoringThe box is used for keeping old lettersThe cabinet is used for keeping A4 paperThis prison is used for keeping c...