Evidencehasbeenfound的精选

问题详情：Evidencehasbeenfoundthroughyearsofstudy________children'searlysleepingproblemsarelikelytocontinuewhentheygrowup.A．why B．how C．whether D．that【回答】D[考查同位语从句。分析句子结构可知，空格后面的...