________moredifficultforgrow-upsto

发布时间：2020-07-10 15:52:16

________ more difficult for grow-ups to learn a foreign language.













A.It seems that it is












B.That seems to be











C.They seem to be











D.It seems to be

网友回答

D解析导解：seem的主语可以是名词或代词，也可以是引导词it．在it seems…that句型中，that从句中的主语与主句中it不能重复．
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