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. My sister is still at school, … back soon. she should should she be she should be