I（）to my brother since last summmerAdidn't B hadn't writter

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I（）to my brother since last summmerAdidn't B hadn't writter C haven't written Ddon't write
LIPing will visit the Great Wall as soon as he(）freeAwill be Bis C was D has been
One day when I(）the post office I（）my unlce A pass,say B was passing,saw Cpassed,was seeing D am passing,an seeing
He(）he()some mistekes in the test Asaid,will makeBsaid made Csaid,had madeDsaid,make

C 从过去开始,直到现在,将来也可能继续.因此用现在完成时.
B is 用一般是表将来.
B过去进行的事,短暂的用一般过去,
C两个过去式,先后问题

I（）to my brother since last summmerAdidn't B hadn't writter I___to my brother since last summerA.didn`t write B.hadn`t w I___to my brother since last summer.A.didn`t write B.hadn`t 高一英语练习题 He ___ to me since last month.A.didn't write B.hadn' ——that he hadn't replied my letter ,i asked my brother for a Last Sunday my brother said to me :" i'm coming to see you t I hadn't worked since April 2011 due to health issues.开头的完形填 1.I didn't go to bed--[since,until]my mum came back last nig only i hadn't lost my car i haven't heard from my sister since last year My brother doesn't go to school last Sunday. Last year I hadn't( ) to visit all the interesting places in