Question

      it is to jump into a pool or go swimming in a river in summer!

A．What great fun	B．What a great fun
C．How great fun	D．How a great fun

Answer 1

A

考查感叹句。本题考查what + (a/an) + adj. + n. + 主语 + 谓语，fun作名词为不可数名词，选A。