【判断题】
When you ask sb. to open the window, if you are a lady its polite to say Open the window, will you? if you are a man you should say Lets open the window, shall we?
【单选题】
What is reflected as important in the following example? A. Would you please turn down the radio a little bit? B. Sorry. ↘ (no, I do not want to.) Or B. Sorry? ↗ (what did you say?)