您好,我直接写答案了

Millie and Amy __sat_______ under a big tree in park. __suddenly_______, they heard a

___whisper_____. There were so ___frightened_______ that they left the park

___quickly_______. On the way they met Andy.
They told Andy about the ___strange______ noise. Andy __went_____ to the park. She

listened ___carefully________. Then they heard ___another______ whisper. In the end,

Andy ___found______ a little cat in the __boom______. They __weren't________ afraid

any more.

望采纳O(∩_∩)O谢谢
祝你学习进步~~