题目

昨天我帮助了一个迷路的老人.我有一个朋友的父亲是医生.这是我昨天买的钢笔.英译汉定语从句

提问时间：2020-12-10

答案

I helped an old man who lost way yesterday.
I have a friend whose dad is a doctor.
This is my pen which I bought yesterday.