   neutral   by the way, how long does it take?     neutral   without traffic, it takes about an hour.  
    neutral   I heard the Great Wall closes early in the afternoon. Do you think I can make it before closing?     neutral   yes, I think so. It doesn ’ t close until 5 o ’ clock. You still have plenty of time.  
    happiness   great! Thank you!     happiness   
 no problem, ma'am. Have a good trip! 
 we are almost there. We won't need our car today, right? Can's walk