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The old woman has two sons,one_________is a teacherA.of who B.of whom C.of which D.of them

题目详情
The old woman has two sons,one_________is a teacher
A.of who B.of whom C.of which D.of them
▼优质解答
答案和解析
B
如果有and连接的话就选D,这里没有and连接,所以用whom来指代前面的two sons,介词用of.所以选B.