Polly Lingual
Past Progressive Tense
开始上课
刽子手
短语
Phrases
She was listening.
Related Lessons
Simple Past Tense (Irregular Verbs)
Simple Past Tense (Regular Verbs)
信仰
Religion
~es Verbs
~ies Verbs
课程
Courses
中级
Intermediate
语法
Grammar
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