Дополните предложения:I039;ve been here three days .... last thursday.We have ....

Дополните предложения:
I've been here three days .... last thursday.
We have .... been to australia.
They haven't packed ... their luggage ... ?
have you bought a return ticket ... ?
They have ... arrived at the airport.
Have you seen Oleg ... ?
Have you heard from jane ... ?
They have ... viseted five foreign countries.
I'am not sure he has ... caught flight 415.
Тут надобно вставить подсобляющие слова: alredy, just, ever, never, for, since, recently, today, this weak.