补全对话。
A: What a fine day today! ____?
B: That sounds like a good idea. ____?
A: Let's go to the little Hill.
B: Shall we take the bus there?
A: ____. It's not very far.
B: That will be OK. I'll ride my new bike my father bought me for my birthday last month.
A: ____?
B: Let's ask Mary and Jack to go with us. They planned to go last Sunday but it rained.
A: Good! I'm sure they will be happy to.
B: Have you got any idea what we are doing there?
A: ____.
B: That will be fun.
