it is to have an exciting football game in the afternoon after school!A. What a great funB

问题补充：

it is to have an exciting football game in the afternoon after school!

A. What a great fun

B. How fun

C. funny

D. What fun

答案：

A. What a great fun

B. How fun

C. funny

(答案→)D. What fun

解析：考查感叹句。fun为不可数名词，故What fun =how funny，根据句意选D。