基于YCT词汇和语法大纲的课程。每个话题包括词汇、句型、多宝牌/记忆问答卡片。
You can take this level of testing and see explanations of related grammar items in the feedback.
基于YCT词汇和语法大纲的课程。每个话题包括词汇、句型、多宝牌/记忆问答卡片。
You can take this level of testing and see explanations of related grammar items in the feedback.