根据对话情景和内容，从对话后所给的选项中选出能填入每一空白处的最佳选项。选项中有两个为多余选项。
Marry: Tom, I’ve just moved to a new house.
Tom: 6
Marry: Thank you, And I’d like to buy a new television set.
Tom: 7
Marry: An LED TV set, of course. But I’m not sure about the size. Maybe we should buy a big one. If we buy a small one, we might have to change it in a few years’ time for a big one. 8
Tom: In my opinion, I don’t think it necessary to buy a very big one.
Marry: 9
Tom: Yes. As we know, your sitting room isn’t very big. If you put in a very big television set, it will be bad for your eves. Besides, a smaller TV set can also have clear pictures.
Marry: 10 I’ll think about it.
Tom: You’d better make a quick decision because the price may go up soon.
A．Wow, how I envy you!
B．What is your opinion?
C．What kind of television do you want to buy?
D．Mm, that’s quite true.
E．Why do you think so?
F．It there any reason?
G．Really? Comgratulations!
知识点：补全对话
GCBFD