Present Perfect. Are these contractions (скорочення) "is" or "has"?Please, choose the correct option:

She's put the books on the shelves.

He's thirsty.

He's ill.

She's stopped working.

She's tried to save the document.

He's generous.

My sister's finished her homework.

She's made a mess in the room.

He's tidied the cupboards.

He's afraid of mice.

He's never been to Australia.

He's tired.