——How come a simple meal like this costs so much? ——We have ____ in your bill the cost of the cup you broke just now.
— Where _____ the recorder? I can't see it anywhere.— I _____ it right here. But now it's gone!
— I didn't tell my parents the secret yesterday. — But you ______.
In 1911, Madame Curie received a second Nobel Prize for her research, the first person in the world ______ two Nobel Prizes.
A 16-year-old male student had been infected with bird flu in Hunan province , the fourth case of human bird flu found in China.
In the face of____ failure, it is most important to keep up _____ good state of mind.