I live <s>in</s> alone, because my University is far from my <s>home</s> house. But, I always cook (prepare) lunch box every day because I don't have a lot of money. Today, I cooked (prepared) lunch box but I left my <s>home </s>house with no (without) lunch box. My lunch box <s>have</s> has been stayed on my desk. (I left behind my lunch box on the desk)
Lunch time, I noticed that I forgot my lunch box. It is too <s>later</s> late..
In afternoon class, I felt (was) hungry from start to end.
Of course, I couldn't <s>enough</s> understand the lesson very good, <s>class</s>.
orz...

頑張ってください。

もちろん、将来で、卒業して、働いて、たくさんお金を持って、ご家族と一緒においしい食事をたべます。