Question

【题目】Mr．Chen is a teacher I want to learn from．He is so knowledgeable．

A. which B. when C. who D. what

Answer 1

【答案】C

【解析】句意：陈老师是我想要从其学习的老师，他知识渊博。本题考查定语从句，先行词teacher为人，在其后的定语从句I want to learn from中作宾语，故关系词使用who或whom，which指物，when引导宾语从句或状语从句，what引导名词性从句，故选C。