每天练习 英语练习
2008-01-31来源:和谐英语

A. in which B. on which C. in that D. on that
昨日习题答案:
I don't know the reason ________ he was late.A. as B. because C. why D. for
标准答案是:C
本题分析:
why在定语从句中表示原因。
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昨日习题答案:
I don't know the reason ________ he was late.标准答案是:C
本题分析:
why在定语从句中表示原因。