—How many ________ are there on the table?  —There are five. 

To keep a trade______, they would have to sell less and buy more in the following months.

If you stand here, you’ll get a better      of the river.

There is no _____ that the Chinese people will present to the world a successful, splendid  and unforgettable exposition（博览会）.

---What’s the chief ______ of the world this year?---I think the Twin- Tower was destroyed.