Memorizing words is the most important thing. Do some exercises to consolidate it. If your autonomy is poor and you have to find a tutor, you can find some professional personalized counseling institutions. Personally, I think New Oriental is too big and crowded to take care of you by yourself. Just find some smaller ones with good teachers. My classmate is looking for a small organization called excellent education, which seems to be near Xida University, and now it has made a lot of progress than before. According to my classmates, the teacher is quite responsible.