Last Saturday our town held a small science fair in the school hall. Dana built a wind turbine, and her brother Arman showed a water filter. Visitors asked many questions. One man wondered how the filter worked. Arman explained that sand and charcoal remove dirt from the water. 'Look at the clear water!' he said. 'It is amazing, isn't it?' said a woman. Because the judges were impressed, they gave him a special prize. Dana, who had worked on her turbine for a month, won second place. Nobody was disappointed, for everyone had learned something new.
Which sentence from the text is a compound sentence?
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Верный ответ
- DDana built a wind turbine, and her brother Arman showed a water filter.
Разбор
A compound sentence consists of two or more independent clauses of equal rank. 'Dana built a wind turbine' and 'her brother Arman showed a water filter' are both independent clauses joined by 'and'. The sentences with 'Because the judges were impressed', 'that sand and charcoal remove dirt' and 'who had worked on her turbine' each contain a subordinate clause, so they are complex sentences.