Evidence has been found through years of study _____ children’s early sleeping problems are likely t...
2022-12-13 03:12:02 75次 2014届江苏省高二下学期期中考试英语卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Evidence has been found through years of study _____
children’s early sleeping problems are likely to continue when they grow up.
A．why B．how C．that D．whether
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