The words "rain" and "reign" are examples of ______.

单项选择题Which of the following is NOT a branch of Macrolinguistics

单项选择题Which of the following was NOT a novel written by Mark Twain

单项选择题John Keats was a poet of ______.

单项选择题______ was famous for his abdication because of his marriage with a divorced American.

单项选择题______ has no regular rhythm or line length.