题目内容
In each house there is a family group of men, ________ are related to each other.
[ ]
A.all who
B.all
C.of whom
D.all of whom
答案:D
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题目内容
In each house there is a family group of men, ________ are related to each other.
A.all who
B.all
C.of whom
D.all of whom