Question

【题目】I think Tom, as the head of a big department, should either study regularly or ________ his job.

A. quits B. to quit

C. quitting D. quit

Answer 1

【答案】D

【解析】考察固定用法.either…or…要么…要么…,这是一个表示选择关系的短语。本题是放在情态动词后面，所以都使用动词原形。故D正确。