用括号中所给词的正确形式填空。
小题1:I couldn’t fall ______ (sleep) because of the big noise.
小题2:He has much ______ (know) of English grammar and vocabulary though he began to learn English only two years ago.
小题3:The main character of this ______ (wonder) game is Itchy Feet.
小题4:The boy was so ______ (care) that he made so many mistakes in his paper.
小题5:There are over 20______ (perform) in the fashion show.
小题6:The ______ (nine) question is the most difficult one of all.
小题7:Nancy with her parents ______ (travel) to many places of interest in the past three years.
小题8:Japanese ______ (teach) in our school last term.
