stand on line還是stand in line

是stand in line，表示站成一排、排隊，例如： students all stand in line to get their new books.學生們排隊取新書。

2、This is the way I stand in line.這是我站成一線的方式。

3、Please stand in line， we were all before you.請按次序排隊，我們都比你先到。