题目内容

20．---I expect the children will have a wonderful performance at tomorrow's party．
---So do I．They ________ hard in the past two weeks．（　　）
A．practisedB．had practised
C．have been practisingD．will practise

分析 --我盼着在明天的晚会上，孩子们将有一场精彩的演出．
--我也是如此．在过去的两周里他们一直在进行健康的练习．

解答 答案：C．根据I expect the children will have a wonderful performance at tomorrow's party可知演出还没有进行，又根据时间状语in the past two weeks可知他们的练习从过去开始，一直持续到现在而且现在还在进行，所以答案是C．D项是根据完成时．

点评 考查现在完成进行时．
So do I的用法
该结构主要用来说明前面所说的情况也同样适用于后面的人或物，[意为"…也一样"]．该结构中的助动词 do 根据前文的情况也可换成 is，am，are，was，were，does，did，can，could 等．如：
He passed the exam，and so did I．
=He passed the exam，and I passed the exam，too．
=Both he and I passed the exam．
=He and I both passed the exam．
他通过了考试，我也通过了考试．/他和我都通过了考试．

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