从所给出的单词中选出合适的选项完成对话，把编号写在横线上。

A: Does Froggy want to be a ?

B: Yes, he does. But he can't be a singer.

A: ?

B: Because he is not good at

A: What is he good at?

B: He is good at .

A: Does he find a job?

B: Yes, he finds a new job. He is a lifeguard now.

A: does he work?

B: He works in a big swimming pool.