half of those years were [ ]my childhood 为什么用during而不用in或forfor与in与during还在其他的表示时间上【例如 上述】的情况中怎样运用

Half of those years were during my childhood.怎么翻译? will this be one of those years each of those three years是什么意思? the number of travelers during the spring festival this year is half——a.of last years b.those of last year's c.that of last years d.it of last years为什么选c我知道选c我想知道为什么? 英语四级快速阅读题Today,almost two-thirds of those who develop cancer will still be alive five years later,compared with just half in 1970s.In the 1970s,only one-third of those who developed cancer could be alive five years later.两句话 half of those years were [ ]my childhood 为什么用during而不用in或forfor与in与during还在其他的表示时间上【例如 上述】的情况中怎样运用 The England of those years was an England in peace. the England of those years was an England in turmoil Half of the workers here are under twenty __B__ A.years old B.years of age 为什么选B In a few years` time,millions of trees those mountainsIn a few years` time,millions of trees _________（cover） those mountains为什么不能是have covered We have stayed at this school for _____.Which of the following choices is wrongA.two and a half years B.two years and half a yearC.two years and half a year D.both A and B half of the teachers in our school ___over 30 years oldis are has have in those years the cost of living rose by nearly 4 percent. 【翻译】a greater number of teens than those who had the same problem four years ago. During those three lean years.hundreds of thousands starved to death. After ten years of half work ,they at last gotAout of debt B into debt Cin debt Dout debt 两道初中英语题~~~求速答~~~①I began to dance( ).A:for one and a half years B:since one and a half years C:one and a half years ago D:one years and a half ago②This pair of shoes ( ) nice.A:look B:looks C:looking 英语老师请来答,1.The number of the students is larger than [ ]3 years ago.Athat Bthat of those