April 30 , 2010 witnessed the opening ceremony of the Shanghai World Expo, which has greatly China's status in the world.
By the time he was 50, he had become president of company.
— Mike, let’s go to the cinema tonight! — _________, if you insist.
__________the house costs, it will _____________it.
— Look! You’ve made the same mistake again! — Oh, not again! _________ such a mistake.
These old pictures __________ the unforgettable days _______ we spent on the farm.