Arsenal's pre-season question that needs answering

[BBC][Getty Images]Arsenal had some mixed results during pre-season but their dominant win over Manchester City in the Community Shield in Cardiff reminded supporters that the Gunners are still the team to stop.Mikel Arteta has built a squad with immense depth and the Arsenal midfield could be counted as one of the best in Europe.Bruno Guimaraes has levelled up the engine room and Martin Odegaard looks back to his best too.But the biggest question for Arsenal is what they can do in the remainder