问题描述：
1.He invited ten friends to his home ; ___ are foreigners.
A.six of whom B.the six of whom
C.six of them D.the six of them
2.He invited ten friends to his home ,___ are foreigners.
A.six of whom B.the six of whom
C.six of them D.the six of them
为什么第一题选C 第二题选A?
A.six of whom B.the six of whom
C.six of them D.the six of them
2.He invited ten friends to his home ,___ are foreigners.
A.six of whom B.the six of whom
C.six of them D.the six of them
为什么第一题选C 第二题选A?
问题解答：
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