A. Joey isn't moving to Denver after all.
Answer: Appeal; Enlist
Explanation: Enlist is a synonym for recruit, meaning, engage (a person or their help or support), fitting your desired context. On the other hand, appeal means for a serious or urgent request, best fitting for call.
Mr. Praed says he knows nothing of Mrs. Warren's profession, but his behavior indicates otherwise. However, he does not seem bothered by the fact that Mrs. Warren is a "working woman." He is nonjudgmental. As an architect, he is not of the upper class, but of the middle class.
Mr. Crofts, however, is directly involved in Mrs. Warren's profession by the fact that he owns brothels. His moral sensibility is much worse than Mr. Praed's as a result. He is a member of the upper class and feels very entitled to his wealth--also lowering his moral sensibility.
The sentence would be a compound sentence, I believe.
Because the moon feels left out, but the moon is needed