두 사람의 대화 중 가장 어색한 것은?
① A : I might have to give my dad a ride to the train station, but I don't know the exact time yet.
B : Let's play it by ear then. Just call me when you find out for sure.
② A : I was at a party last night, and I saw Jake play the guitar in front of an audience.
B : Speak of the devil. Jake is right there.
③ A : Did he apologize to you for the accident?
B : Yes, but I don't buy it.
④ A : I hear your son wants to go on spring vacation with that girl, Sally.
B : I told him to grab a bite.