Will there be any paper money ________ 100 years?
---How old is your mother? ---She is ______years old. Today is her ______birthday.
-Hello! May I speak to Mike, please? -This is Mike speaking. _______.
Go______ the street, walk _______the post office,and_______ the street, and you will see the book shop in front of you.
--- We'll have a school trip to Shanghai next month.--- That sounds _______. I'm sure we'll have a good time there.
This is ______time to come to Suzhou.I hope _______here again next time.