Can you be my pen-pel?祝你学习进步，更上一层楼！ (*^__^*) 不明白的再问哟，请及时采纳，多谢！
can l become your penfriend
can I be your pen pel?
Could/May I be your pen pal?
May I be your pen pal? ( 同学，笔友应该是pen pal 哦~）
