根据下面对话中的情景，在空白处填入适当的语句，使对话内容完整。
(Two girls are hanging out in a shopping mall.)
L=Laura; A=Ann; S=shop assistant
L: My mother's birthday is coming. What could I do for her?
A: 1______?
L: A big party? No, she likes to be quiet. She doesn't like to be noisy.
A: Oh﹒﹒﹒Look at this nice black skirt . Maybe 2______
L: Yes, I also think she will like it. Because black is her favorite color. Let's have a look.
(To the shop assistant)
L: Excuse me, 3______?
S: Eighty-five Yuan. We've got none but this one at the moment. It's the smallest size.
L: Oh. The price and the color are both all right for my mother. But it's too small for her!
4______! Anyway, thank you.
S: 5______.
1. Why not hold a (big) (birthday) party for her. How /
What about (having / holding) a (big) (birthday) party (for her).
2. She will like it./ She'll like it ./ she is sure to like it.
3. how much is this / the black skirt.? how much is it ?
What's the price of this / the black skirt? what's the price of it?
4. What a pity / It's a pity / It's a great pity.
5. You are welcome.
(答案不唯一)