講師: Summarise the information by selecting and reporting the main features, and make comparisons where relevant. Write at least 150 words.

講師: What is the official language of your country?

講師: What do you want to talk about?

講師: Hello. How are you? What's your name?

講師: Write a post responding to the professor's question. In your response you should: - Express and support your opinion. - Make a contribution to the discussion.

講師: What's that about?

講師: What department do you work in? What do you do there?

講師: Please write your original essay.

講師: Please write your original essay.