重写句子：Alanpassedthetest.Alanhadstudiedhard.Alanhadunderstoodthematerial.(complexsentence)
Alan passed the test because Alan had studied hard and understood the material.
暂无解析
Veryfewpeopleunderstoodthiscontract,______wasveryobscure.
Iwasreallyanxiousaboutyou.You______homewithoutaword.
重写句子：Hockeyisasportwhichispopularinmanycountriesaroundtheworld.(simplesentence)
改写病句：Insummer,Juannadidn’tlovetravelinginRomeshefeltitwastoohotthere.
重写句子：Fossilfuelsarenon-renewable.Weneedtofindalternativeenergysources.(compoundsentence)
