根据下面的对话情景，在每个空格处填上一个适当的句子，使对话的意思连贯、完整。

A: Hello, Jack! You look upset today. ?

B: My bike is missing.

A: . How did it happen?

B: I rode my bike to the library yesterday. I parked it outside. When I got out, I couldn't find it anywhere.

A: ?

B: I got home by bus then.

A: Did you call the police?

B: Yes, but I think there is little chance to find it back.

A: .

B: You're right. But I don't have enough money to buy a new one.

A: I can lend you some.

B: Oh, really? Thank you. It's very kind of you to say so. By the way, ?

A: Yes, I'm free this afternoon.

B: Would you like to go to the store and choose a new bike with me?

A: I'd love to. Let's go.