问题描述：
Dick is the only one of the teachers who___Chinese.He is one of Mary's friends who___been to China.
A.know;have B.knows;have C.know;has D.knows;has.
A.know;have B.knows;have C.know;has D.knows;has.
问题解答：
我来补答展开全文阅读
补充回答：
可以用that代替who吗
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2019-10-22