Online education service TutorGroup is closing a nearly $100 million USD round of Series B financing from Alibaba Group, Singapore investment company Temasek and Qiming Venture Partners. The company has raised $15 million in Series A from Qiming Venture and CyberAgent in 2012. This investment is considered as another step for the e-commerce juggernaut to explore online education market. 51Talk raised $12 million Series B financing from funds backed by Xiaomi CEO Lei Jun in last December and 91waijiao raised funds in last year. Big Chinese Internet companies also swarmed into this industry by building homegrown online education platforms.