请教一道语法题，谢谢

apple1

04－08 26. Because it is often dependent of the conditions of crystallization, the composition of the

A

minerals in a rock can be important in determining the rock's geologic history

哪里错了呢？是不是be important后应加to do sth 结构？

谢谢

sunnynight

shouldn't it be dependet on instead of dependent of?

qwrersaa

改为：be important to determine

应该是这样，还需要继续研究～～