I bought some books,and all of them are interesting.

题目

I bought some books,and all of them are interesting.
I bought some books,all of which are interesting..I bought some books.All of them are interesting.哪一句正确

答案

哪一句都正确.第一句是由两个并列分句构成的；第二句是由主句带定语从句构成的；第三句是由两个独立的句子构成的.
不明白的再问哟!请记得采纳,多谢!