求初中八年级第二学期英语伴你成长新世纪版P18D篇首字母填空答案,Whenthesunshinest___1___rain,arainbowisformedinthesky.Thebestrainbowsareformedwhenthesunisl___2___inthesky,inthemorningo___3___intheev

　　求初中八年级第二学期英语伴你成长新世纪版P18D篇首字母填空答案,

　　Whenthesunshinest___1___rain,arainbowisformedinthesky.Thebestrainbowsareformedwhenthesunisl___2___inthesky,inthemorningo___3___intheevening.Whenyoulookatarainbow,youwilln___4___thatthesunisalwaysbehindyourbackandthatyourshadow(影子)p___5___straighttothemiddleoftherainbow.Youcann___6___seearainbowifyoufacethesun.