① concer(  )          ② toge(  )her

③ u(  )set            ④ vaca(  )ion

⑤ semes(  )er

2.다음 대화 중 서로 어울리지 않는 것은?

① A: Say hello to your mother.

   B: Okay. Sure thing.

② A: How is Sudong?

   B: He's doing fine.

③ A: Come with me. I can show you the way.

   B: How kind you are!

④ A: Why don't you meet Helen?

   B: You're welcome.

⑤ A: How nice of you!

   B: It's my pleasure.