问题标题：
初中英语例句问题转换句子例:tolearnaforeignlauguageisnoteasy变itisnoteasytolearnaforeignlanguage.1,todofarmworkisnoteasy2,tobeascientistisdifficult3,towriteabusinessletterisnoteasy4,tofindenoughtimeto
问题描述：
初中英语例句问题
转换句子
例:tolearnaforeignlauguageisnoteasy
变itisnoteasytolearnaforeignlanguage.
1,todofarmworkisnoteasy
2,tobeascientistisdifficult
3,towriteabusinessletterisnoteasy
4,tofindenoughtimetoworkisdifficult
5,tolearnenglishisveryimportant
最好解析一下
钱晓龙回答：
1,todofarmworkisnoteasy
变Itisnoteasytodofarmwork.
2,tobeascientistisdifficult
变Iitisdifficulttobeascientist.
3,towriteabusinessletterisnoteasy
变Itisnoteasytowriteabusinessletter.
4,tofindenoughtimetoworkisdifficult
变Itisdifficulttofindenoughtimetowork.
5,tolearnenglishisveryimportant
变ItisveryimportanttolearnEnglish.
用指示代词It代替To不定式那一部分句子成分,避免头重脚轻
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