题目内容：

53.Why do you insist on (leave)_______ your dirty clothes all over the floor?
请分析下考点及解题思路

优质解答

Why do you insist on (leave)_______ your dirty clothes all over the floor?应填：leaving译文：为什么你还总是把脏衣服弄得满地都是呢?关键短语：insist on + doing 坚持不改做……insist on[英][inˈsist &...