7. The drunk man was charged with causing a public ____________. People in the neighborhood were annoyed by his rude behaviors. (A) transformation (B) nuisance (C) boundary (D) extinction

15.The rich man has a high standard of morality. He never ____________ other people. (A) has faith in (B) sets a good example to (C) takes advantage of (D) loses control of Ⅱ. 文法挑錯：其中有一個選項語法錯誤，請選出該錯誤選項。