21. Don’t pour water on his plan. We should encourage him.
---------_________ are you going to visit? --------I am going to visit the Palace Museum.
One should keep ________ promise.
_______ Chinese are looking for ways to learn English well before Beijing 2008 Olympic.
Both of the rules are broken. I want to buy a ______ one.
--- Which is the smallest number of the four? --- _________.