分类：教育/科学-外语学习
问题：初三英语选择题6Itwasnotuntilthethirteen 
It was not until the thirteenth stro ___________ the bell stopped.A before   B when   C so that     D that
回答：选择D项。本句是一个强调句型，其意思是铃敲了十三下才停