仔细阅读下面的短文，短文中有10个空格或划线句子。请按照每小题括号内的具体要求完成语法填空、词形变化、句子合并、句子改写以及病句改正等。答案填写在标号为1～10的对应位置。

When I was about twelve, I 　　1　　(sudden)developed great interest in writing poetry．If a lesson 　　2　　(助动词)not interest me, I would take out 　　3　　(人称代词)notebook and start writing poems in class．One day 　　4　　(连词)I was busy write a poem in a geography lesson．I looked up find the teacher 　　5　　(动词词组)．He tore the poem up, warning me not 　　6　　(不定式)time in his class．I had written such a good poem 　　7　　(固定句型)in the evening I wrote 　　8　　(宾语)out again from memory．Weeks later, I 　　9　　(read)about a poetry contest and I decided to send out my poem．After a month, I got a letter informing me I had won 　　10　　(冠词)first prize．Everyone at school was glad, except the geography teacher．