for you miss, may I suggest this book...
http://www.amazon.com/Schaums-Outline-Japanese-Grammar-Outlines/dp/0071756086
Get books with grammar drill exercises. I found these helpful:
You can also look for past JLPT exams on the net, even if you don't plan on taking the exam they can be a good source of drill exercises.
You need grammar drill exercises. Stuff I found helpful:
日本語総まとめ is also supposed to be good, never tried it personally though.