题目

完型填空    Last year my English class was ____1___for me. First of all, it wasn’t easy for me to understand the teacher when she ___2___to the class. To begin with, she spoke too quickly, and I couldn’t ___3___every word. Later on, I realized it doesn’t matter if you don’t understand every word, ___4___ I was afraid to speak in class because I thought my classmates might laugh ___5__me. I couldn’t always make complete sentences, either. Then I started to ___6___ English-language TV. It helped a lot. I think that doing lots of listening practice is one of the secrets of 已知二元一次方程，用含x的代数式表示y，则y=（    ）。