问题
选择题
Mary is the only one of the teachers who_____a little Chinese because she is one of my friends who____been to China
A．knows have
B．knows have
C．know to
D．know has
答案
答案：B
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Mary is the only one of the teachers who_____a little Chinese because she is one of my friends who____been to China
A．knows have
B．knows have
C．know to
D．know has
答案：B