Question

3. As John Lennon once said, life is    happens to you while you are busy  making other plans.

A. which      B. that

C. what       D. where

Answer 1

3. C考査名词性从句。句意：正如约翰•列侬曾经说的那样，生活就是当你忙于制订其他计划时所发生在你身上的事情。引导词既要引导表语从句，又要在从句中作主语。故用what。