题目

阅读下列短文，根据短文内容填空。在未给提示词的空白处仅填写1个适当的单词，在给出提示词的空白处用括号内所给词的正确形式填空。At 8, 1 started taking art lessons 【1】 (improve) my painting skills. However, later, I found that I focused too much on mastering different techniques. Eventually, I became more distressed when my expectations weren't matched.So, in the 11th Grade, I returned to the basics. On 【2】 sketchbook I forced myself to draw whatever interested me. Over time, I have been released from the tight control. I have lear解方程．5X+15X=400．