Срочнааа помогите 60 баллов Упражнение 63. Раскройте скобки, употребляя Present Perfect

Срочнааа помогите 60 баллов
Упражнение 63. Раскройте скобки, употребляя Present Perfect Continuous.
1. John is in his room, he (to sit) there since the morning. 2. For two hours now we (to talk) about it and we haven't come to any conclusion yet. 3. John, do you know where my bag is? 4.1 (to look) for it for half an hour and I can't find it. 5. Look, your brother (to dance) with that red-hairedgirl since she came into the room.