补全对话。请阅读下列对话，从方框内7个选项中选择5个恰当的句子完成此对话，其中有两个句子是多余的。
A: Hi, David! Come in, please.
B: 【小题1】___________________
A: I’m looking for information about London on the Internet.
I’m going to London for my holiday.
B: Aren’t you lucky! 【小题2】 ___________________.
A: No, but my mother has been there 3 times. She told me there were many places of interest there.
B: 【小题3】 _____________________________ .
A: I’m leaving at 6 a.m. on Saturday June 27.
B：Will you get there by plane ?
A: 【小题4】 _________________________ 
B: Have you ever flown in a plane?
A: No, never.
B: Then. You must be excited when you fly in a plane.
A: Really? 【小题5】 _____________________

A. When are you leaving? B. Have you finished your homework? C. Have you ever been to London before? D. Of course. E. What are you doing? F. I can’t wait for it G. Sorry.

Have you finished the book＿＿＿you borrowed from the library?

A. which   B. it    C.  what

 

Have you finished the book＿＿＿you borrowed from the library?
A. which   B. it    C.  what