Uzupełnij odpowiedni operator w konstrukcji to be able to

Wait! I think   able to open this door. I have a key.

I   able to do my homework yesterday. I was too busy.

My dad   able to pick me up from school yesterday. He left work early.

I   able to finish this project today. Not enough time.

I   able to fall asleep yesterday night. I counted sheep. It didn't help.

My friends   able to win a match two days ago.