—Isn’t it time you went to bed, Mike ?— I ________ painting all afternoon, so I have to finish my homework now.
---- The news is spreading from mouth to mouth. ---- Yes, it’s become _____ talk of _____ town.
______will conquer ______ nature.
Cleaning women in big cities usually get _______ by the hour.
His brother likes ______ history very much. He knows a lot about ______Chinese history, especially ______history of social development.
It's impossible for all the people to get jobs because _______ of them are not fit for them.