All eyes at the T20 World Cup will fall on England against Sri Lanka on Saturday after New Zealand booked their place in the semi-finals and Australia just about stayed alive.Hosts and holders Australia saw off a stubborn Afghanistan by four runs in Adelaide on Friday in their final Super 12 match and sit second in Group 1, level with table-toppers New Zealand on seven points.Only the top two reach the semi-finals.However, England are yet to play their last game and victory for them over Asian champions Sri Lanka at the Sydney Cricket Ground will see them through - at the expense of their Ashes rivals.Glenn Maxwell's 32-ball 54 lifted Australia to 168-8 in the face of an effervescent Afghan bowling attack in what was a must-win match for the home side at the Adelaide Oval.Rashid Khan blazed an unbeaten 48 off 23 balls to make a fist of the chase for the winless Afghans and ensure a nervy end for the majority of the crowd.Australia's World Cup fate is now out of their own hands, having won three matches, had one washed out by rain and suffered a damaging 89-run thumping in their opener against New Zealand."We probably haven't put a complete game together," said man of the match Maxwell."There was a couple of games last year during the World Cup where we probably did."Almost back-to-back, there were clinical performances.
We did the game quickly and we were pretty sharp in all areas of the game."We've probably missed a few opportunities so far this year."He added: "I think that's probably just the disappointment - we haven't been able to show how we feel like we can play as a group."Australia's mouthwatering clash with England last week in Melbourne was washed out, but Maxwell said there was no point dwelling on that - a