哪位好哥哥或好姐姐帮我看看我的作业,

题目

哪位好哥哥或好姐姐帮我看看我的作业,
I am used to travelling by air.Last Wednesday,I flew to Europe from China.The plane took off on time.A passenger who has never been by air before threw a lighted cigarette into an air vent.Because he thought it was an ash tray.Almost immediately smoke rose up and covered the plane.A flight attendant told us that somewhere fired on.Everybody on board was panicked and we were curious to find out how the fire was put out,when the plane suddenly turned round and returned to the airport.In the meantime,fire engines and ambulances hurried to come here in time.After the plane had landed,we all went out of it.Fortunately,no one was hurt.After some times,the fire was put out and the plane took off again.
这是根据课文提供的一些单词,按照自己的思路写的一篇小作文,帮我看一下短文中有没有句型错误,或者时态不对的地方,

答案

Because he thought it was an ash tray.改成 “,thinking it was an ash tray."Almost immediately后面要逗号Everybody on board was panicked and we were curious to find out how the fire was put out,when the...