Firstly of all, be friendly to others so they would like to make friends with you. Secondly, it is a good idea to join a club where it is possible for you to find someone who shares the same interest. Last but not least, you should be active in class so that others can know more about you.
That way, ... Thirdly, it would be a good idea if ... By
doing this, ... Last but not least (最后但并不是最不重
要的) ...
3. Conclusion: I hope you will find these ideas useful. As time goes on, people will know you
1. Introduction: I’m sorry (that) you are having trouble /
difficulty / problems in making friends. I know you are now having trouble
communicating with others, and you may often feel lonely.
I hope you will find these ideas useful. If you follow my advice, I think you will make more friends soon.