_____ with a dog is a lot of fun,isn’t it?(单选)

题目

_____ with a dog is a lot of fun,isn’t it?(单选)
25． _____ with a dog is a lot of fun,isn’t it?
A.To playing B.To play C.Played D.Play
选什么?为什么?

答案

playing的确是最适合的,不过to play也可以
句子还原应该是－It's a lot of fun to play with a dog
to ＋ 动词 做主语往往有表目的的意思,当然,这里应该不是表目的的!