代码已经复制到剪贴板。 Let's Learn English is a new course for English learners. Certified American English teachers designed the course for beginners. The course continues for 52 weeks. Let's Learn ...

Life in Washington, D.C. is interesting. I see something new every day -- like yesterday. Yesterday started like a usual work day. Anna: I said, "Yesterday started like a usual work day." Anna's voice ...