单项选择题After the American Revolution, ______ became the first capital of the United States, being already the largest city in North America.
单项选择题The novel ______ by Samuel Richardson is considered the first English psycho-analytical novel.
单项选择题In general, children's holophrastic sentences begin ______.
单项选择题The first settlement in Australia was made by the ______.
单项选择题______ are bound morphemes because they cannot be used as separate words.