Question

The house, ______walls are red, is where my grandfather used to live ten years ago.

A．which

B．of which

C．whose

D．that

Answer 1

C

试题分析：考查非限制性定语从句：句意：墙体是红色的房子是我祖父10年前住的地方。这是非限制性定语从句，先行词是the house，定语从句中的walls缺少定语用whose引导定语从句，名词+of which也可以引导定语从句，但是名词walls前面要加定冠词the，所以选C。