---Mr. Black, I just can’t get my car started. I think there’s something wrong with the engine.---Oh, let me see. Ah, that is not _______ it is. Actually, your car has used up all the petrol.
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.
一 What a fine day! Shall we go picnicking? 一_____ .But we need to be home before six o’clock for the football match.
During the scientific experiment, Mr. Chen carefully poured the water into the tube, with my classmates ____ beside to see what would happen.