题目内容
17.What you did make ____possible for me ___my work on time.( )| A. | this,to finish | B. | it,finishing | C. | this,finishing | D. | it,to finish |
分析 你所做的使我按时完成我的工作成为可能.
解答 答案:D 分析句子结构,后面的动词不定式to finish my work on time是句子真正的宾语,但为了避免头重脚轻而放在后面,故用it来充当句子的形式宾语,以达到句子平衡,故选D.
点评 it既可以充当句子的形式主语,也可以充当形式宾语,要扎实掌握.
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