다음 대화 중 어색한 것은?
① A : Excuse me. Are you Kang Yumi?
B : Yes. Can I help you?
② A : May I join your Science Club?
B : Of course. Everyone is welcome.
③ A : Do you like this ball park?
B : Yes, I do.
④ A : May I help you?
B : Yes, please.
⑤ A : Let me introduce myself.
B : You're welcome.
|