25. One reason why more young people lose their virginity during the summer than at other times of the year undoubtedly is because school vacations give adolescents more free time.
(A) One reason why more young people lose their virginity during the summer than at other times of the year undoubtedly is because
(D) One reason more young people lose their virginity during the summer than at other times of the year is undoubtedly that
我看见cambridge词典说The reason why...is because 是对的，只是不正规．是不是ETS否认这种用法？ 所以答案A错？ 谢谢指点
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发表于 2004-1-6 04:53:00
