Question

【题目】You can’t imagine(想像) how much difficulty he had ___________his bad moods.

A. to change B. change

C. changing D. to changing

Answer 1

【答案】C

【解析】

试题分析：句意：你无法想象改变他的坏心情有多少困难。have difficulty doing sth做某事有困难，是一个固定句型，所以选C。