GMAT语法-老管讲解

happyday

I just got it.
In the past, I only used LXM's grammar book, but I will try "legend 老管" this time.

Good Luck to everyone.

p.s. if it works well, I will try to share it with CD.

swimmingmaple

MM, do not forget OG, hehe
It is the most important material for Grammer