Australia
blitzed past Lebanon 48-4 to book their spot in the semi-finals
as winger Josh Addo-Carr scored five tries.
The Kangaroos were in control from start to finish and rested captain James Tedesco for the second half, which saw Daly Cherry-Evans play 40 minutes.
The Cedars pulled one back when a Cameron Munster mistake allowed Josh Mansour to score off a Mitchell Moses grubber.