this is < >of the smoke and dirty water from cars and some factories.括号里该填什么?给我讲讲,这样的IS 后该跟什么样的词.

This is the circle of 英语翻译High quanlity - 5 min 12 sec Update :2009-08-26 Bonus Set This is a short-cut of the 2 SM videos from recent two updates of our bondage site.The SM videos are made from our recent new cute models,both of them were bondaged then touched to “I want you can see ,what is the mean of dream ,what is the mean of wish ,what is the mean of sm This is the b___ of the game This is the beginning of the garden this is the ()(begin) of the term. this is the name of the product 帮我把下面的英文翻译成中文The number of the pandas is getting smaller and sm This is a detect SM,It supposed to be invisible What is the length of this ruler? the name of this country is Japan this is the feeling of happiness是什么意思 This is one of the ____watches.(run) what part of the museum is this? What is the price of this coat? This is one of the _______watch(run) This is the (begin) of my tour This is the Hour of Lead