Tôi có một người bạn thân. Tên của anh ấy là Peter. Tôi biết anh ấy khi tôi vào lớp 10. Chúng tôi đã trở nên thân thiết với nhau trong suốt khoảng thời gian ở trường trung học.
I have a dear friend. His name is Peter. I knew him when I was in grade 10. We've become so close to each other during the period of time in high school.
I have a best friend. His name was Peter. I knew him when I was in grade 10. We have become close to each other during the period of time in high school.