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1·He is running faster and faster.

他跑得越来越快。

2·Look, how fast he is running!

看，他跑得多么快！

3·Look! How fast he is running!

瞧，他跑得多快啊！

4·He is running after the girl.

他在追求这姑娘。

5·He is running like a free bird.

他奔跑的像只自由的小鸟。

6·He is running at top speed.

他正在全速地奔跑。

7·He is running very quickly.

他在飞快地跑。

8·He is running out on the pitches.

他现在可以绕圈跑步。

9·He is running at top speed.

他正以最快速度奔跑。

10·He is running for class President.

他要竞选班代表。