Ajutați-mă va rog cu exercițiul 8, am nevoie urgentă de el, dau coroana, va roggg

Răspuns:
1-has been studying ; 2-has been playing ; 3-has not been using ; 4- has been planting ; 5- has not been helping ; 6-has been working ; 7- has been watching
Explicație:
Baftă!