单项选择题James Fenimore Cooper was most famous for ______.
单项选择题John Keats was a(n)_______.
单项选择题Ulysses and Dubliners were written by_______.
单项选择题If an American is invited to talk something about entertainment industry, he or she might not mention ______.
单项选择题______ refers to a sociolinguistic situation two varieties of a language exist side by side throughout the community, with each having a definite role to play.