八年级下册英语unit3作文怎么写

It was fine last Sunday ,Linda went to the park by bike .There were many people in the park
.some were singing ,others were swimming in the lake. when she got to the park ,she
put her bike under the trees,then she went to see some people swiming in the lake .when
she went back to ride her bike .she found that her bike wasn't there.she looked for her bike here and there ,but she didn't find it .a thief stole her bike and took her bike away,she didn't know what to do,she cried ,at last ,she called the police .