Question

【题目】The professor ______ sit in his study for hours when he worked on the new project.

A. couldB. mightC. wouldD. should

Answer 1

【答案】C

【解析】

试题分析：考查情态动词。句意：当教授研究新项目的时候，他会在书房里坐上好几个小时。情态动词would在这里表示一种倾向和一贯做法，故选C项。