treturnhome的精选

问题详情：Marywentabroadthreeyearsago. Shedidn’treturnhome______thisyear.  A.unless        B.until          C.when       D.since【回答】B知识点：相似相近词比较题型：选择题...

问题详情： Mr.ZhangleftforAmericain1998,andhedidn’treturnhome        2002.A.unless       B.when          C.until             D.since【回答】C l...“直到……才”，...