剑19Test3小作文TASK1
写作类型：TASK1 书籍分类：剑19
The diagram below shows how a biofuel called ethanol is produced.
Summarise the information by selecting and reporting the main features, and make conparisons where relevant.
The diagram below shows how a biofuel called ethanol is produced.
Summarise the information by selecting and reporting the main features, and make conparisons where relevant.
