1.
(a) A: It was fun coming over to see your new apartment.
(c) A: Don't worry. I'm sure you'll be settled in soon.
(d) B: Yeah, I should have everything unpacked by Sunday.
답이 b인데, enjoy 시제가 틀린 걸까요..?
2.
(a) A: Shall we meet for dinner next Saturday evening?
(b) B: Oh, no. Unfortunately, Saturday isn't good to me.
(c) A: Then, how about meeting up on Sunday?
(d) B: OK. That would be great. Let's make it 7:30.
답이 b인데, 어디가 틀린지 모르겠네요;
3.
(a) A: Just yesterday I discovered some old oil paintings up in my mom's attic.
(b) B: You just discovered them? You had never been in her attic before?
(c) A: Yes, but hidden behind furniture, I never realized they were up there.
(d) B: They could bring you a huge windfall. I'd get them appraised if I were you.
답이 c 인데, 마찬가지로 어디가 왜 틀린지 모르겠네요..





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2. is'n good for me
3. hiding behind furniture
2. good for me로 전치사 for을 써야 ~에게 좋다/맞다 라는 의미가 됨
3. Yes 뒤에가 because they were hidden behind furniture, 라는 문장이 되는데, 주절 I never realized they were ~과 주어가 다르므로 종속절의 주어인 they가 생략 불가능함. 그런데 they were가 생략되어 있으므로 틀렸음