Helen___her keys in the office,so she had to wait until her husband___home.a.has left,comeb.left,had come c.had left,come d.had left,would come帮帮忙啊~~~解释一下~~~
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Helen___her keys in the office,so she had to wait until her husband___home.a.has left,come
b.left,had come c.had left,come d.had left,would come
帮帮忙啊~~~
解释一下~~~
选C 意思是:Helen把钥匙忘在办公室了,所以她不得不等到她的丈夫回家(才能进屋)
“,”引导两个并列句型,so解释了前一句的意思 她不得不等到丈夫回家,所以她忘了钥匙.而so 引导的句子的谓语是had,一般过去时.
所以“,”前的句子是过去完成时,整句是一个因果关系,时态的搭配与 主将从现 类似,主句将来式,从句一般现在时.主句 过去完成时,从句一般过去时.
所以第一个空填 had left(left有 把 s.th 忘在 s.p 的意思)
第二个空嘛就好说了,wait s.b do/done s.th 直接就填 come 了
因为 动词与动词构成的非谓语,没有 动词+发出者or接受者+be动词/助动词+动词的过去分词 的形式.简单一点说,以这句为例,没有
wait s.b have/had/be done 这种搭配
所以这里是 wait s.b done s.th,而 come(原型)--came(过去时)--come(过去分词),所以是 wait her husband come home
选c
选C 第一个空从后面的had to可以看出要填一个过去完成时 所以在CD中选 然后看后面的空 肯定是填come 所以C。
Helen___her keys in the office so she had to wait until her husband__ home.
Helen___her keys in the office,so she had to wait until her husband___home.a.has left,comeb.left,had come c.had left,come d.had left,would come帮帮忙啊~~~解释一下~~~
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