阅读下面对话，从方框内7个选项中选择5个恰当的句子完成此对话，并将其番号填入题前括号内。
A: Where is Lucy?
B: ____.
A: ____?
B: Yes. She has been there once.
A: ____?
B: She went there last week.
A: ____?
B: She is going to stay there for a month.
A: Do you know ___?
B: She will be back at the end of October.

A.Where have you been? B.Has she ever been there before? C.When she will be back? D.How long is she going to stay there? E.Why has China carried out one-child policy? F.When did she go there? G.She has gone to England.