阅读下面短文，从各题所给的A、B、C、D四个选项中选出能填入文章中相应空白处的最佳答案。

    It's four. It's time to 1 games. Boys and girls play 2 the playground (操场). Some boys play 3 soccer ball. Some boys play basketball. Some of 4 jump (跳高) and run. Some girls play with lines(绳). They jump and run,5. They are very 6. Some little girls 7 English songs and some girls play 8 violins 9 the classroom. And the teacher in the room 10 students how to play better （更好）. Everything is so peachful here.