<div *ngFor="let persons of data; let i = index">
    <div *ngFor="let person of persons; let j = index">
      <select [ngModel]="selectedAddress[j]" (ngModelChange)="selectedAddress[j] = $event">
        <option *ngFor="let address of person.addresses" [ngValue]="address">
            {{address.type}}
        </option>
      </select>
      <textarea [(ngModel)]="selectedAddress[j].address"></textarea>
    </div>
</div>