We had great fun _____ in the park. A .play B.played C. playing D. to play为什么是C?

We had great fun _____ in the park. A .play B.played C. playing D. to play
为什么是C?

have fun doing sth.固定搭配

选C playing
因为 have fun doing sth. 是固定搭配。

选C
have fun + doing 是固定搭配.

playing in the park是动名词短语作状语表示当时的一种状态