问题描述：
Listen!Lily with her sister ( )the policeman to let them go into the house to see their friends.
A.is asking B.are asking C.was asking D.were asking 选择哪一个选项,为什么?
A.is asking B.are asking C.was asking D.were asking 选择哪一个选项,为什么?
问题解答：
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