The researchers who study jokes want to find out _______ people from different nations and cultures ...
2022-09-26 19:48:51 212次 江苏省2017-2018学年高一下学期第一次质量检测（含听力）英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The researchers who study jokes want to find out _______ people from different nations and cultures find funny.
A. why B. that C. what D. whether
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