Which group of words belongs to the close class

单项选择题Which of the following is the correct way to transcribe a phrase structure rule

单项选择题British English is spoken in ______.

单项选择题In the late 17th century, the most famous writers were ______.

单项选择题______ River flows through New York state and into New York city.

单项选择题______ was among the descendants of the Liner's only Japanese survivor.