1. The more he takes, the more craving he has.에서 craving이 틀린건 알겠는데, 왜 틀렸는지와, 어떻게 고쳐야하는지좀 알려주세요.2. in back of the speaker란 부분에서 in back of 대신 behind를 써야하는게 맞나요?in back of는 사물하고만 쓰이는 건가요?3. Having lost his money in the stock market, his friends deserted him and he was sorry about it.에서 having lost 가 틀렸다는데 이유를 좀 알려주세요.4. As the pilot began his descent down from the 25000-foot altitude that he had maintained during the greater part of the flight he felt nauseated. 에서 felt nauseated 이부분이 틀렸다는데 이유가 뭔가요?during the greater part of the flight 은 해석을 뭐라고 하면 좋을까요?5. Mary has been taken no further notice of by her friends에서 of 까지 붙어야 하는 이유는 뭔가요?6. Mr. Jonhson wrote many good novels, but it was long before his novels to be recognized by the public. 라는데, long before이 들어가는데 맞나요? 해석을 어찌해야 하는건가요?