--- Your backpack is very nice.--- ____
______ the morning of August 12th, I arrived _____ New York, America.
–You’ve given us a wonderful Chinese dinner, Mrs Li.-- ________.
–Excuse me, would you please tell me _____?-- Sure.
–It’s nearly 6 pm, will you have dinner here?-- Sorry, _____. I have many things to do.
I _____ 20 yuan buying this book yesterday.