價格：免費
更新日期：2019-04-24
檔案大小：267.6 MB
目前版本：1.0.1
版本需求：需要 iOS 8.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
This mobile app is for members of the public (especially senior secondary students, post-secondary students, and teachers) who want to receive self-training in the usage of academic English grammar.
Control the character using the up and down buttons in the bottom-left corner.
支援平台：iPhone, iPad