Mother told me not to go out alone at night. 应该是 alone 吧 ,单独的意思 妈妈叫我晚上不要一个人出去 再问: It took me an hour (to send an e-mail for my pen pal).就括号内部分提问 再答: What did it take you an hour to do? 再问: 可是答案的格式是:------------ ------------ you an hour? 再答: 那就是 What took you an hour? 再问: 谢谢!你英语很棒!