Polly Lingual
The Present Progressive Tense
开始上课
刽子手
短语
Phrases
It's not working.
Related Lessons
你好吗？
How Are You?
现在时态
Present Tense
社交礼仪
Social Etiquette
星期几
Days of the Week
Perfect Present Tense (Compound Past)
课程
Courses
中级
Intermediate
语法
Grammar
更换语言：
French
Spanish
English
Italian
German
Portuguese
Chinese