题目内容：

首字母填空。（本题共10空，每空1分，满分10分）

根据所给的首字母提示，完成句子。

Peter is a famous writer now. But he was not a _g___1._ student when he was young. He was often late for _c__2.___ and didn’t like doing his homework. Sometimes， he slept in class while the teacher was teaching. He didn’t understand much， __b___3.__ he always thought he understood everything. One day the teacher _a____4.__ the students a question， “ When Mike was ten years old， _h___5._ brother Bob was twenty， Mike is fifteen now and how old is his brother Bob?” Peter said， “That’s easy. Bob is twice as old as Mike， so he is now t   6. .”

Another time， the _t___7.__ in a science class asked， “__W__8._ it thunders(打雷)， why do we always see the light before we _h___9.__ the sound?”

“ But Miss，” said Peter quickly， “Don’t you _k___10.__ our eyes are in front our ears?”