有关时态的5道选择题1.thatdresswhenIfirstsawyouatthestation?A.WereyouwearingB.HaveyouwornC.DidyouwearD.Doyouwear2.Shehermother'sworksinceshewasadmittedintohospital.A.isdoingB.hasbeen

Question

有关时态的5道选择题
1.__ that dress when I first saw you at the station?
A.Were you wearing B.Have you worn
C.Did you wear D.Do you wear
2.She __ her mother's work since she was admitted into hospital.
A.is doing B.has been doing
C.has done D.has been done
3.Elections __ every four years and Congress meets once a year.
A.are taken place B.are to be taken place
C.took place D.take place
4.How long ago __ playing football?
A.had you stopped B.would you stop
C.did you stop D.were you stopping
5.I never dreamed I __ here discussing state affairs with the other deputies.
A.will be sitting B.would be sitting
C.will have been sitting D.would have been sitting
麻烦各位解释下选择答案的原因，我好判断正误，谢谢！

Answer 1

1.A.在火车站,我第一次看见你的时候你正穿着那件裙子吗?
2.B.since是从...时起.从文中可看出她一直和妈妈做一样的工作,所以用完成进行时,表示"持续到现在,并可以继续进行"
3.D.选举每4年进行一次,而国会每年都有.这个说的是一般情况,现在时就OK,take place为"发生",是vi,不变被动直接用.
4.C.ago很明显体现了时间点,而且是过去的事,所以用一般过去时..
5.B.主句过去时,从句也为过去时态."梦想到"的东西都是以后才有的吧,而且后边的翻译"和其他代表共商国事",所以可判定为过去将来进行时.选B