小学英语名词所有格的专项练习(3)

这是关于小学英语“名词所有格”打造的专项练习

C. some Billy's pictures D. some pictures of Billy 18. This is ________ , and I borrowed it two days ago. A. a picture of Mr. Cox B. a picture of Mr. Cox's C. a Mr. Cox' picture D. Mr. Cox's picture