单项选择题
----We'll be back for our school's _________ anniversary ceremony.
----I see. That means you'll have a get-together with your classmates in _________ years. A.
fifteen, seven B.
fifteenth, seven C.
fifteen, seventh D.
fifteenth, seventh
----We'll be back for our school's _________ anniversary ceremony.
----I see. That means you'll have a get-together with your classmates in _________ years. A.
fifteen, seven B.
fifteenth, seven C.
fifteen, seventh D.
fifteenth, seventh