If the south had won the war, what is now the United States _____ divided into several countries.
Mr. White, along with his assistants, ______ on the project day and night to meet the deadline.
As we have known from the map of the world, this is ______.
_______from media reports,the result has been unclear.
Listen! Do you hear someone for help?
She can’t help ______ the house because she’s busy making a cake.