It is useful to learn English ( )it is spoken all over the world应填什么呀

i think it is difficult for chinese studes to lear english g_____横线填什么 It is useful to become reconciled now?额.It is useful to become reconciled now? it useful to it is useful to用法区别 请具体点哦! “Is it useful to miss you 这话有语法错误么？ It is useful to have support teams.翻译 It is very useful to learn computer skills.___computer skills__very useful.动名词同义句转换 （ ）useful book it is Is it useful enough?是什么意思? I find that it is useful to learn English.it是形式主语, He like it very much (b ) it is very useful to him. Studying English is useful用It is···to的句型改 It is hard to answer the question___ dictionary is the most useful.(that,why i think It (is) useful to learn english well.括号里面的is要不要加? LEAR This book is useful to me,so I _____ 20 yuan on it yesterday. We find it is very useful to study English well（改同义句0 It is a useful information,to us all.这句话哪里错了? it is very useful to learn computer skills再动名词进行同义句转换