In line is use when you 're waiting behind others in a row, eg. in a supermarket waiting to have your goods tallied up or waiting to buy a ticket in a movie theater, etc.Originally Posted by Bolo
For everything else you're OK to put a in front of line.
OK, grade 1 and grade 2, before we leave for our little trip, I want you to pair up and stand in a line right outside the main door, please.
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