英语15.Helen _______ her keys in the office so she had to wait until her husband ________ home.15.Helen _______ her keys in the office so she had to wait until her husband ________ home.a.has left;comes b.left;had come c.had left;came d.had left;wo

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英语15.Helen _______ her keys in the office so she had to wait until her husband ________ home.15.Helen _______ her keys in the office so she had to wait until her husband ________ home.a.has left;comes b.left;had come c.had left;came d.had left;wo

英语15.Helen _______ her keys in the office so she had to wait until her husband ________ home.15.Helen _______ her keys in the office so she had to wait until her husband ________ home.a.has left;comes b.left;had come c.had left;came d.had left;wo
英语15.Helen _______ her keys in the office so she had to wait until her husband ________ home.
15.Helen _______ her keys in the office so she had to wait until her husband ________ home.
a.has left;comes b.left;had come c.had left;came d.had left;would come
为什么

英语15.Helen _______ her keys in the office so she had to wait until her husband ________ home.15.Helen _______ her keys in the office so she had to wait until her husband ________ home.a.has left;comes b.left;had come c.had left;came d.had left;wo
c

应该选四号(D)理由是:海伦她的钥匙放在办公室里是已经发生过的事,所以要用过去式.这样,(A)和(B)就被排除了,还有(C)和(D)两个选项,她只有等她的丈夫回来,说明还没有回来,所以应用将来时,所以这道题应选四号(D)

C
前半句的动作发生在后半句之前

15.Helen _______ her keys in the office so she had to wait until her husband ________ home.
c.had left;came
两件先后发生的过去的事，先发生的事通常用 had 来表达先后

C.
Helen _______ her keys in the office so she had to wait until her husband ________ home.
注意so后面的句子 had to. had是过去式， 忘记拿钥匙的动作发生在过去的过去，所以要用过去完成时。
后面就等他老公回来，可以用一般过去式表示过去将来的动作。

c
句意：HELEN将她的钥匙留在了办公室里，所以她必须等他丈夫回家。
Helen遗忘了她的钥匙是过去已经完成的状态，所以用HAD LEFT；“UTILL HER HUSBAND COMA ”HOMEUtill所引导的是一个从句，而从句的时态一般应为一般过去时态

c 前一句是过去完成时,后一句是过去时

英语15.Helen _______ her keys in the office so she had to wait until her husband ________ home.15.Helen _______ her keys in the office so she had to wait until her husband ________ home.a.has left;comes b.left;had come c.had left;came d.had left;wo Helen 英语题目：I have a friend. Her name is Helen.(两局合并一句）I have a friend ______ _______. 英语滴用所给词填空,哈哈,快来回答吧!Who _______(get ) up earlier ,Helen or Mike?Does Jim swim ______(slow) than David? 英语分相同的元音：am,I,fine,name,H,F,Helen,B,evening.E.thanks.分为5组,按相同的元音音素 英语姓名HELEN的中文含义 我给Helen打电话用英语怎么说 Helen不喜欢香蕉用英语怎么说 英语填空题（初一）Helen:Hi,David.I'm calling ____Sydney.David:Sydney?What ____ is it there?Helen:It's 10:10 pm.David:It's 4_____ in the morning in Los Angeles.Helen:Oh,I forgot it.So you're in ______.Right?David:Yes.WHAT is the ______there?H 杨玲读得比海伦好.Yang Ling _______ _______ than Helen. Helen said something at the party (改成否定句） Helen _______ ______ ________ at the party. 要原因 _______ a rabbit for Helen,please.A_______ a rabbit for Helen,please.A.Draw B.Write C.Read ——这个书包呢?——是Helen的.— _______ ________ this schoolbag?—It's Helen's. 英语：同义句 Jack and Helen are classmates.JJack and Helen are ____ ____ ____ ____. 英语题3道不知选哪个好9.No one,besides Helen,Joan,Mary and Alice,___________ help me.A.are B.want C.have D.is willing to 15.The students were doing their_________when the teacher came in． A.homework B.homeworks C.lesson D.houseworks 6.He h Helen's eyes shone with _______(happy)when she heard the exciting news.写理由 I,Helen _______ your friend.横线上应该填is 还是am _______ Helen ____(come) to school by car every day?No,she ______.