阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。
Mary took off her shoes and ran over the hot sand. She tiptoed into the water,    小题1:   (laugh) as a wave washed over her legs. She looked back at her mother,    小题2:  was sitting under a big umbrella, holding an apple in one hand and a drink in the    小题3:  .
Just then, a big wave came and    小题4:   (sweep) Mary's feet, making her fall into the water. She tried to scream,   小题5:  swallowed some water instead. She didn't know   小题6:  way was up or down. She pushed with her hand against  小题7:   sand and came up for air. She screamed desperately and tried hard to swim.
When she    小题8:   (final) returned to the shore, Mary ran over to her mother, who was standing up   小题9:   a worried look on her face.
But to her mother’s surprise, Mary said, “This is the    小题10:   (good)  vacation ever, Mum. Come and play with me in the water.”