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1. zb1)다음 대화의 빈칸에 들어가기에 가장 알맞은 단어는?
A : Young-hoon, what's up?
You look .
B : Yes, I am.
A : What's the problem?
B : I go to bed very late every night.
A : Why don't you go to bed early?
B : I try, but it's hard.
①happy ②hungry ③tired
④sad ⑤excited
1) ③