单项选择题English Elizabethan age was most celebrated for its achievements in ______.
单项选择题In Black English people say I won't do nothing instead of I won't do anything . This is an instance of ______ dialect.
单项选择题Which of the following cities is called the cradle of American liberty
单项选择题In America, high school graduates have to take ______ in order to enter prestigious universities.
单项选择题Canada comprises ______ provinces and three territories.