问题
选择题
. I asked Peter and ____ of his two sisters, but none of them knew when their uncle came back.
A．either
B．both
C．one
D．Neither
答案
答案：B
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. I asked Peter and ____ of his two sisters, but none of them knew when their uncle came back.
A．either
B．both
C．one
D．Neither
答案：B