New Words：

line [laɪn] n. 线；线路；直线；路线
starting line 起跑线
finishing line 终点线

Sample Sentences：

The ball went over the line.
The children all stood in a line.
Please wait inside the white line.

They crossed the finishing line together.
They were all waiting on the starting line.
Who was the first to cross the finishing line?

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