uncertain [ʌnˈsɜ:tn] adjective [generally] incierto ( f incierta) [undecided, hesitant] indeciso ( f indecisa) it's uncertain whether they will accept the proposals no se sabe si aceptarán las propuestas in no uncertain terms de forma vehemente
Complétez la séquence avec la proposition qui convient. … cross the street without looking on your left. Should you You shouldn't You should