1、The cat sleeps on the mat、
2、She sang beautifully at the concert、
3、The car raced down the street、
4、He writes with a pen on the paper、
5、We played soccer in the park yesterday、
6、They flew to Europe for their vacation、
7、The flowers bloomed in the spring、
8、The rain poured heavily all night、
9、The dog barked loudly in the night、
10、She danced gracefully on the stage、
11、The sun shines brightly in the sky、
12、We swam in the pool on a hot day、
13、The birds chirped cheerfully in the morning、
14、The baby laughed joyfully at the funny toy、
15、They studied hard for the upcoming exam.