1.  다음 중 기수와 서수를 잘못 연결한 것은?

① three - third

② eight - eighth

③ twelve - twelfth

④ twenty - twentyth

⑤ twenty one - twenty first

¹⁾

2.  다음 중 대화가 자연스러운 것은?

① A : Thank a lot.

   B : I'm Okay.

② A : May I help you?

   B : It's my pleasure.

③ A : Is she reading now?

   B : Yes, please.

④ A : Have some more grapes.

   B : No, thank you. I'm full.

⑤ A : Can you help me with math?

   B : No, thanks.