问题标题:
初二英语填空题BillcameoutofftheclassroomafterheworkedouttheproblemBill___comeofftheclassroom__heworkedouttheproblem写上原因,
问题描述:
初二英语填空题
Billcameoutofftheclassroomafterheworkedouttheproblem
Bill___comeofftheclassroom__heworkedouttheproblem
写上原因,
鲁通回答:
didn't;until
原因:not……until,直到……才
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