i think there will be more pollution是什么意思

i think there will be more pollution是什么意思 是I don't think there will be more pollution.对,还是I not think I think there will be more pollution.（变否定句） I think there will be less pollution.(改为否定句) there will be more pollution from now will there be more pollution?怎么回答 改为否定句,I think there will be more people I THINK THERE WILL BE MORE TALL BUILDING i think there will be more polltion,---- ---,(完成反问疑问句) I think there will be more tall b( ). i think there will be more tall b_____in the cities Well,I think there will be more people.