Free English online classes
COA has served thousands of the English learners since 2015. COA provides different level of English online classes, which include beginner, intermediate, and advanced classes, to match their English levels. COA uses online Wechat group as its platform to broadcast lectures to students. Each class we could have up to 500 students. It is also easy to access course materials and interact with teachers and other students. All class histories are recorded for references.
Berlitz English Phrase Book & Dictionary