in the beijing olympics和at a single olympics介词为什么不同说明理由

请高手帮忙对我的英语作文修改和提意见!作文如下:The best color stands for the OlympicsWell,in this lively summer,the magnificent sunshine has brought the breath of the Beijing 2008 Olympics.In my mind,it is the symbol of the Olymp beijing is in the China The capital of China is Beijing.对Beijing提问There are many restaurants in Beijing.对in Beijing提问 HOW is the weather in Beijing? 英语作文《The Olympics Games in Beijing》 英语作文:The Olympic Gamer in Beijing Beijing is the c____ in Shanghai. in the centre of beijing的同义词 beijing is in the n__of chinachu2 翻译：How's the weather in Beijing? The plane for Beijing ()()in fifteen minutes. The( )Olympic Games held on ( ) in Beijing. The boys enjoyed______ in Beijing last year. What's the weather in Beijing. The power of dream Celine Dion - The Power Of The Dream Sung at the Opening of the Centennial Olymp They lived in beijing in the past.同义句转换They___ ___ live in beijing. What's the weather like in Beijing?改为同义句____ ___ the weather in Beijing? How is the weather in Beijing?(句意不变)How is the weather in Beijing?(句意不变) ________ the weather ________ in Beijing?_________ _________ the weather _________ _________ in Beijing?_________ _________ the weather _________ in Beijing?