Why do you often make mistakes?(改为同义句)
问题描述：
Why do you often make mistakes?(改为同义句)
_____ do you often make mistakes _____?
答
Why do you often make mistakes?(改为同义句)
_____ do you often make mistakes _____?
What；for
分析：make mistake意为“犯错误”,Why do you often make mistakes则意为“你为什么经常犯错误”,显然与“你经常犯什么错”意思较为接近,mistake ……for……是一个固定词组,意为把……错当成……,故此题的答案为What；for