在线名词解释大全

专业、全面、易懂的全领域名词百科

Directions:Thereare20sentencesordialoguesinthispart.ForeachsentenceordialoguetherearefourchoicesmarkedA,B,CandD.Choosethebestonetocompletethefollowingsentences.ThenmarkthecorrespondingletteronAnswerSheet.Thatistheday______I’llneverforget.

题型：单选题

选项

A. A. which

B. B. on which

C. C. in which

D. D. when

正确答案：