Question

【题目】John often teaches physics in his free time.

A. him B. he C. himself D. his

Answer 1

【答案】C

【解析】句意：John经常在他的空闲时间里自学物理。him 他，人称代词宾格形式；he他，人称代词主格形式；himself他自己，反身代词；his他的，物主代词。根据句意可知，John自己学习物理，故应该是教他自己，故选C。