Come on. Go! GO! Don't give up! You are here. English is not only for test, but also for using. Remeber little by little. Do you know. I cyped three sentencs from Barron's TOEFLIBT on my bookmark like this below to encourage myself.
I know more than I did yesterday. I am preparing. I will succed.
You may try this way, too. Before sleeping, think what I got today. Even though a lettle A, that is OK. You got a new thing. Then you will have a lot of energy for next day study.