Evidence has been found through years of study _______ children's early sleeping problems are likely to continue when t

当前位置：高中英语 / 单选题

1. (2019高一下·金山期中) Evidence has been found through years of study _______ children's early sleeping problems are likely to continue when they grow up.

A . whether B . how C . that D . why

微信扫码预览、分享更方便

使用过本题的试卷

备考2020年高考英语一轮复习26：同位语从句