下面是李梅的一篇英文作文，但她有几个单词不会拼写，请你帮助她（请注意单词的适当形式，每个空格限填一词）。
My name is Li Mei . I’m  (15) years old. and I’m in Grade 3 now. I’m  (忙) with my subjects than last year. I think it’s my   (责任) to study hard. I’m (尽力) my best to learn them well. Especially I want to study English well .So this (学期), I’m going to study English well by memorizing and   (作笔记)notes .I don’t have any free time .I really     (怀念)my childhood days. During those days, I   (过去常常) to play with my friends. But I must _  (意识到) that I’m not a child any _  (不再).