If you want to cross a street,you must____(wait)for the green light.

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Ifyouwanttocrossastreet,youmust____(wait)forthegreenlight.Ifyouwanttocrossastreet,youmust____(wait)f

If you want to cross a street,you must____(wait)for the green light.
If you want to cross a street,you must____(wait)for the green light.

If you want to cross a street,you must____(wait)for the green light.
be waiting