题目内容：

The Sydney Opera House has a very interesting history. 1. all started in the 1940s, when the Sydney Symphony Orchestra had nowhere to play. The orchestra’s conductor, Eugene Goossens, asked the Australian government to think about building a place and the government 2. (final) agreed to build an opera house in 1954.

The government held an 3. (nation) competition to find a design for the opera house. Many of the 233 designers from around the world 4. entered the competition were famous, but the design of an unknown Danish architect 5. (name) Jorn Utzom was chosen as the 6. (win).

While drawing up the plans, Utzon remembered the temples he 7. (see) in Mexico before and used them as his inspiration for the base 8. the opera house in Sydney The building of the opera house began in 1958, but Utzon had still not finished his plans He did not like his first plan as the concrete roof shells did not work. His new idea was 9. (make) the shell shapes on the roof into the shape of a ball. That way, the same ball mould (模型) could be used for several roof 10. (part). In 1962, the government agreed to the new ball roof idea. The building was completed and in November 1973, the Sydney Opera Hope was opened by Queen Elizabeth II.