去污区的工作流程不包括下列哪项：（）
A、清洗C
暂无解析
How many parts is an article usually composed of? What are they?
重写句子：Not until he crossed the line and felt the tape snap against his chest did Johnson know he had won the race.(loose sentence)
The hosts apologized for ______ that some of their guests might be vegetarians.
The government finally ________ all the documents relating to the war.
重写句子：Fossil fuels are non-renewable. We need to find alternative energy sources. (compound sentence)
