There are days in a week. Theday is Saturday.A. seven; sevenB. seven; sixthC. seventh; sev

问题补充：

There are days in a week. Theday is Saturday.

A. seven; seven

B. seven; sixth

C. seventh; seven

D. seven; seventh

答案：

A. seven; seven

B. seven; sixth

C. seventh; seven

(答案→)D. seven; seventh

解析：句意：一周有七天。第七天是星期六。第一空修饰days表示数量，用基数词seven。第二空表示第几天，用序数词，在英语中一周中的第一天是Sunday,因此Saturday.是第七天，故用seventh。故选D