stand on line还是stand in line

是stand in line，表示站成一排、排队，例如： students all stand in line to get their new books.学生们排队取新书。

2、This is the way I stand in line.这是我站成一线的方式。

3、Please stand in line， we were all before you.请按次序排队，我们都比你先到。