Johnny, you _________play with the knife, you_________ hurt yourself. 

—Some countries are taking action to occupy the islands of the South China Sea.—Yes, but I think they ____be punished sooner or later.

The bus ____ at six, but it arrived an hour later.

According to the new law, people found putting up “harmful” ads on the streets _______be punished.

(2013·江西九江二模)If you won't do as I tell you, you ________ get the chance to be promoted because the competition is just too fierce.