XDF补充材料是真题吗？

CasualWalk

正在复习OG和XDF补充语法材料，感觉补充材料上的题好像难一些：不象OG，一般一
个选项有好几个错误。不知XDF的补充材料是不是来自真题？现在机考语法与那个更
相近一些？谢谢。

joywzy

CasualWalk,

The questions in XDF are real questions in GMAT . But in the CAT GMAT, SC seems a little more difficult than those in XDF.Anyway, to be familiar with those questions is the first step to tackle SC in the CAT GMAT, isn't it ?

Hope that it may help . Good luck.