Facts prove that the world’s economic development is not a win-lose game but one in which all ________ be winners.
She needs the work ____ before tomorrow.
--Did a letter come for me? --Yes, ___ came for you this morning.
He is determined to devote himself to ___ the country.
Whenever we were ___, he is always ready to ___ us some help.
The way ___ you are doing it is completely crazy.