Let us make a fire to cook food on. =Let us make a fire so that we can cook food on it. make a fire,生火.cook food,做吃的. 句子翻译；让我们生火用它做（吃的）饭. 再问： i was late for school yesterday(改为一般疑问句）（）（）late fo school yesterday 再答： Were you late for school yesterday?
