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I had just finished my test paper the bell rang, announcing the exam was over.A.unlessB.whenC.becaus

编辑:chaxungu时间:2026-04-27 03:16:56分类:高中英语题库

【题目】I had just finished my test paper ___ the bell rang, announcing the exam was over.

A.unlessB.whenC.becauseD.though

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【答案】B

【解析】

考查连词辨析。句意:我刚刚完成试卷这时铃响了,宣布考试结束了。A. unless除非;B. when当….时,这时;C. because因为;D. though尽管。根据句意可知B选项符合句意。故选B。