补全对话:根据对话内容,从对话后的选项中选出能填入空白处的最佳选项。选项中有两多余选项。 A: Where have you been, Fang Li? I called you, but you weren't in your office. B: 1_ A: What did you do there? B: I found out that the factory was pouring waste water into the river near it. _ 2 . Lots of fish have died. A: 3 _ . B: Do you think 'Greener China' can do something? A: _ 4_ . We can write a story about it to the TV station and the newspaper. B: 5_ . Businessmen are afraid of newspapers and TV stations. A. I've gone to a paper factory. B. That would be fine. C. That's terrible! D. Yes, of course. E. Good idea! F. The ri ver has become very dirty. G. I've been to a paper factory.