“嚓——嚓——”我坐在椅子上,将包装袋随手扔进垃圾桶中,继而,用湿润的手指抹了抹掉在纸上的薯片屑。“咔——”是钥匙钻入钥匙孔的声音!我赶紧把手中的课外书一合,摊开作业本,装模作样地做起作业来。放包,脱鞋,似乎一切都很正常。我正要松口气,可妈妈不知道什么时候绕到了我的身后,朝我“诡 ”Cha - Cha - “ I sat in a chair, the bag readily thrown into the trash, then wiped the crisps on the paper with a wet finger. ”Ka - " is the key to drill into the keyhole sound! I quickly put the extracurricular book in hand, spread out homework, pretend to do homework. Put bags, take off your shoes, it seems everything is normal. I’m going to be relieved, but Mom does not know when to go around me, toward me