Dear Mojtaba,
I can assist you to prepare for TOEFL. As I heard, in the case of speaking and writing, both in the independent section, the format of the questions have been changed and they seem to be more ambiguous with respect to the past. All in all, it is not a big deal and we can come up with a new plan and conquer it.
PS: please, Enable your private message then people can send you text.