Which kind of pollution do trees help to fight 怎么翻译?

what kind of 与which kind of 有何区别 Which is a kind of drink? which is a kind of drink急 which letter is a kind of animals? Which letter is a kind of which letter is a kind of question? which kind of trade中文是什么 Which kind of movies are boring?Why?Which kind of movies are exciting?Why?英语回答 Which kind of movies are boring? Why? Which kind of movies are exciting? Why? 回答? Which kind of movies are boring?Why?Which kind of movies are exciting?Why?怎样回答 连成一句话并翻译;Which ,is ,kind ,of ,common ,home,Which ,is ,kind ,of ,common ,home, which of the 26 letters is a kind of animal kind of 后面接单数还是复数which kind(?)of city 还是cities? which kind of room would you prefer 还是what kind of room would you prefer Which kind of food are you going to investigate____your project Which kind of fruit do you like best? Which letter is a kind of vegetables?急用! Question：which kind of art do you like best?Why?