![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-56/ti_inject-812ce.png)
完形填空:用方框内的适当的词填空,必要时用适当形式。 swim seaside in beach river Now we are at the 26 . There are a lot of people on the beach. Some are 27 . Some are lying on the sand and bathing 28 the sun. Over there a group of men and women are sitting under a 29 umbrella. They are talking and laughing. Not far from them, a few boys are building mountains and 30 with sand. They look happy and proud.