Hi,名前.
How are you doing these days?Thank you so much for staing at my house.
>でも僕は英語が苦手なので、○○とあまり話せなかったのが少し心残りです。
>もっと英語の勉強をして話せるように頑張ります！
I was really grad to see you.
But actually.I wanted to talk you more!,so I try to brush up my English!
>もしまた日本に来ることがあったら遊びに来てください。
If you come to Japan,please come and see me!
I'm really lookig forward to see you again!