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The average of books bought by him each month 4, that’s to say, an average of 4 books bought by him.

编辑:chaxungu时间:2026-04-24 12:57:13分类:高中英语题库

The average of books bought by him each month ________ 4, that’s to say, an average of 4 books ________ bought by him.
A.is; areB.are; isC.is; isD.are; are在线课程A