Wilshere told arsenal.com: "Chido has always had a knack for finding the back of the net, but what impresses me most is his willingness to learn and evolve.
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"While he may be critical of certain aspects of his game, his impact on the team has been immense this season.
"With him being full-time and having a structured training programme next year, we hope to see him develop into an even more complete player."