帮我写一段最喜欢的运动英语的,20个单词

。I favorite sport is running。I can run whenever I want to 。And I can do it alone 。It also make me strong。I want to take part in marathon when I grow up。我最喜欢的运动是跑步。每当我想跑是我就可以去跑行。我可以一个人跑。它还让我变得强壮。当我长大了,我想参加马拉松,。