He______ his work, otherwise, he wouldn’t be enjoying himself by the seaside.

(2013·江苏南通市二模)We ________ have hurried all the way to the airport — the flight was called off because of the foggy weather.

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

Facts prove that the world’s economic development is not a win-lose game but one in which all _____ be winners.

Tom has grown      enough to take care of      .