I ___ used the printer today.
have/haven't
She _____ used the mouse to play a game.
has/hasn't
They _____ logged on this morning.
have/haven't
____ they searched the Internet for answers?
have
___ she used a memory stick before?
has
____ he used the printer today?
has
_____ he turned on the speakers?
has
I ___ clicked on the link.
have/haven't
She ____ saved the document.
has
___ you clicked on the link?
have
