forefront
[ˈfɔ:frʌnt]noun
to be in or at the forefront of sthg [campaign, movement] an der Spitze einer Sache (G) stehen
to be in or at the forefront of his mind im Zentrum seiner Aufmerksamkeit stehen
Complétez la séquence avec la proposition qui convient.
Casey: “What is your address?” Casey asked me what ….