—What class are you in?

—I’m in ____, ____.

A. class Three; grade Seven     B. Class Three; Grade Seven                               C. Grade three; Class seven

 --- What class are you in?

   --- I’m in ________________, Miss Li’s class.

A. class three grade seven                                             B. Class three Grade seven

C. Class Three Grade Seven                                             D. class Three grade Seven

—What class are you in?            —I’m in ____, ____.

A. grade seven; class three                                             B. class Three; grade Seven

C. Class Three; Grade Seven                                  D. Grade three; Class seven