根据图片内容完成下列对话。
1.

supermarket
A: Where are you going?
B: _____________________.
2.

bookshop
A: What are you going to do?
B: _____________________.
3.

library
A: Where are they doing?
B: _____________________.
4.

lake
A: Are you going to the lake?
B: _____________________.