补全对话 M : Mary , have you ever been to the Great Wall ? W : No , actually I've never been there.     __ 1 __ M : Would you like to go to the Great Wall ? W : __ 2 __ I've been waiting for it so long. M : All right. We'll go by bus. Can you get ready by seven thirty ? W : That's OK. I'll try to make it. Do you think I should ask the hotel to pack me a lunch ? M : __ 3 __ There's a very good restaurant nearby. Oh  it is likely to be windy on the wall at this time of year. W :__ 4 __ Shall I take a coat with me ? M : Yes , you'd better take a coat or a sweater. W : You are careful. __ 5 __ M : No,  I've got a digital camera. I'll take it then. Well , I'll be off now. I've got to see about the arrangements. W : OK. See you then.. A ．No ，I think there's no need. B ．Sorry ，but I am terribly busy. C ．Yes ，I'm glad to. I think that's a good idea. D ．Shall I bring a camera with me ? E ．But I've heard much about it. F ．Is that so ? G ．I don't think so