作文要求：You have left college. But you didn't say goodbye to your friend who live in the room with you because he had a course at that time. Write a letter to him to appology and tell hem how you spend that days before you leave and how you get home. Then invite him to visit you.

I'm sorry that I didn't get a chance to say goodbye to you before leaving our college dorm. I know you had a course at the time, and I didn't want to disturb you. I hope you can forgive me for not being able to say farewell in person.

Before I left, I spent my days packing up my things and saying goodbye to my other friends on campus. It was bittersweet to leave behind the familiar places and faces that had been a part of my life for the past few years. I felt a mix of excitement and sadness as I prepared for the next chapter of my life.

Getting home was a bit of an adventure. I took a long bus ride through several states before finally arriving at my destination. It was tiring, but I enjoyed seeing new parts of the country and meeting different people along the way.

Now that I'm settled back home, I'd love to invite you to come visit me sometime. We can catch up on all the things we've missed and reminisce about our college days. I hope to hear from you soon.

Take care,

[Your Name]