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

A: Hi, Jim.

B: Hi, Helen.

A: You look unhappy.

B: Next Sunday is my best friend Tom's birthday.

A: Send him a small present. You can buy a ball for him.

B:

A: I think you can borrow some from your friends.

B: Oh, no.

A: Then you may get a part-time job.

B:I'll go out to find one this afternoon.