Mybrother_____asanengineersincehecamebackfromtheU.S.A.hadworkedB.worksC.workedD.hasworked选哪个?为什么?
<p>问题:Mybrother_____asanengineersincehecamebackfromtheU.S.A.hadworkedB.worksC.workedD.hasworked选哪个?为什么?<p>答案:↓↓↓<p class="nav-title mt10" style="border-top:1px solid #ccc;padding-top: 10px;">牛建丽的回答:<div class="content-b">网友采纳 选D.这应该算是常见的句型吧,since后面跟过去时态的句子时,前面的主句用现在完成时.翻译成:自从我哥从美国回来,他就一直做工程师.强调从他回来那一刻起直到现在他一直都是工程师.
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