It is said that by ___the population of the word may be seven billion,A.2010year B.2010 the year C.year2010 D.the year 2010说明原因

It is said that. it is said that potato chips were invented___(with mistake,by mistake ,by accident,in accident) by the +计量单位 It is said that eggs are told by the dozen in that area.这句里 by the 下面哪种英语表达正确?As is it said by Chairman Mao that……还是As it is said by Chairman Mao that…… He said that it is unusual for you,_ (反意疑问句)改反意疑问句 为什么是It is said that 而不是It said that It is said that there will be no pollution______(cause）by traffic on Mars it is said that ___umbrella was invented over four thousand years ago by chi it is said that an umbrella was inventedover four thousand years ago by chinese people 初二词形变化it is said that our health______(affect)by the weather It is said that that that that that man said is not that thatthat that woman said.翻译 it has been said by someone that no language that pronounces the world colonel is perfect.world 改为word it is said that通常翻译成? It is said that是什么结构 it is said that 什么时态 用括号中的词填空1.It is said that they have finished the hard work _(success). It is said that words cannot describe the beauty of the c(_)(73) there.空里填什么? It's _(excite) that Yang Liwei _(travel)around Earch by spaceshipIt _(take) him over 20 hours _(travel) in space.Tom's room is very _.He _(keep) it _.He keeps on _ it every day(clean)It says there is no plant life _(with) lightning.Isn't that _(amaze