p.51 3. Once this tree is older, it will grow (wide/widely) like the others in the forest.

            →grow(동사)를 수식해주는 것이니까 부사여서 답이 widely 아닌가요? 왜 wide이죠?

       9. I judge by her appearance, she appears to be a celebrity of some sort.

            →왜 judging 이죠??

p.63 5. A: What's wrong with your car's engine?

           B: I don't know. The mechanic will see--------.

           →답이 if he can fix it 인데요. if he can fix 도 될 것 같은데.. 언제 대명사가 나오고 언제 안나오죠?

        19. (a)A: Do you think my dad will let me borrow his car?

              (b)B: It depends on how long you intend to use it.

              (c)A: Well, I want to take it on a two week trip across the country.

              (d)B: You'll have to explain him why you came up with that idea.

             →답이 (d)에서 explain을 explain to로 바꾸라는데 explain은 타동사라서 전치사 필요없지않아요?

p.65 I need not start right now 라고 나와있는데 I don't nees to start right now 랑 같은건가요?

p.85 7. I finish the laundry now, and then I can meet my colleagues at the party.

            →왜 답이 I'll finish the laundry now 이죠??

p.91 1.Despite having studied for three months, he is concered that he might get a low score

         →능동의 의미로 concerns 아닌가요?

        2. The company's line of products ranges from mobile phone cards to low -cost  air tickets.

          →수동의 의미로 is ranged 아닌가요?

한꺼번에 많이 올려서 죄송합니다 ㅠㅠ

빠른 답변 부탁 드립니다!