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i find it difficult to是什么句型 find it difficult to do还是doing find it difficult to do it is not difficult to find that find it difficult to 意味 be difficult to do用法 you should study hard句型结构 

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find it difficult to do sth find加it的结构 find it+adj+to do sth find it to do sth find it difficult to do find it difficult to do something. find it difficult to do something find it adj to do sth find it+形容词+to do something结构 find it difficult的用法 

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