这句话错在哪里?My mother cook very good food.

My mother likes sing.(这句话哪里错了?) I often help my mother doing cleaning at home.这句话错在哪里 为什么? 这句话错在哪里?My mother cook very good food. my mother can tells me stories in english这句话中哪里错了 My mother worked to a school这句话哪里错了 my mother is finding our cat.这句话是哪里错了? My mother look younger than my aunt错在哪里? My mother have a new bag 语法错在哪里 My family have seven members.这句话错在哪里 what does your mother ang father do?这句话错在哪里求大神帮助 My mother is getting ready to dinner.这句话错在了那里,为啥 1.DO you have a Art Festival?2.Today is my sister's twelve birthday.3.My mother's birthday is on July.这三句话错在哪里,并改出. My mother says she know you.请问这句话哪里出错了? CO、NO、NO2都是大气污染气体,在空气中都能稳定存在 这句话错在哪里 Those is my mother哪里错了 下面这句话错在了哪里（化学）晕忘说问题了 --------- 一氧化碳的化学式是co My mother often buys food and drink that shop?错在哪里? My mother's son is my cousin这句话中哪个地方错了?