Question

【题目】Clark has good teeth because he brushes teeth before he goes to bed every day.

A. heB. himC. his

Answer 1

【答案】C

【解析】

句意：Clark牙很好，因为他每天上床睡觉前都刷牙。he他，人称代词主格形式；him人称代词宾格；his他的。根据句意可知，这里指“刷他的牙”，空后teeth是名词，故用形容词性物主代词his修饰。选C。