单项选择题Australia has always been a continent with few people mainly because ______.
单项选择题The word intolerable consists of ______ morphemes.
单项选择题In ______, linguists probe into the possibility of combining linguistic theories and language teaching.
单项选择题______, located at the southern end of Lake Michigan, is the second largest city in U. S.
单项选择题After The Adventures of Tom Sawyer, Twain gives a literary independence to Tom's buddy Huck in a book entitled ______.