Walt Whitman's _______ was written in memorial of Lincoln.

单项选择题______ puts forward the distinction between diachronic studies and synchronic studies.

单项选择题Question 6 is based on the following news. At the end of the news item, you will be given 10 seconds to answer the question. Now listen to the news.

单项选择题______is the act performed in saying something; it is an expression of the speaker's intention.