▁▁▁it is to jump into a pool or go swimming in a river in summer!
问题描述：
▁▁▁it is to jump into a pool or go swimming in a river in summer!
A.what fun B.How a fun C.How fun D.What a fun
答
▁▁A▁it is to jump into a pool or go swimming in a river in summer!A.what fun B.How a fun C.How fun D.What a fun
【解析】fun 是一个不可数名词,只能用what fun