1)They have been penpals for over two year
2)No.They don't
3)Lan took her pen pal to many places of interest in Ha Noi
4)They were very friendly.
5)They promised that they would keep in touch by mailing MONG BÀI LÀM CỦA MÌNH CHÍNH XÁC VÀ CÓ THỂ GIÚP ÍCH CHO BẠN