To master a foreign language is necessary(用it is改句）

___a foreign languahe,one must have a lot of practice.A.For mastering B.Mastering C.To master D.Master l found_____important to master a foreign language.A that B what C that D it I don’t think possible to master a foreign language _______ memory work. 同义句转换：I think that it is important to master a foreign language To master a foreign language is necessary(用it is改句） 求一篇英语作文,标题How to Master a Foreign Language,80字左右. I think that it is important to master a foreign language.(同义句转换）I think _______ ______ ________ ________ a foreign language.it important to master,我觉得应该是：it's important to master,你呢? It is necessary that we ___a foreign language.A.must master B.ought to master C.master D.should master到底选哪个啊?虚拟语气中的should不是可以省略吗?那答案C和D有什么区别? I think that it is important to master a foreign language.（同义句）I think ___ ___ ____ ___ a foreign language . 一道初四英语题同义句转换I think that is important to master a foreign language.=I think _____ _____ _____ _____ a foreign language. 英语改为简单句I think it is important to master a foreign language.I think____ ____ ____ ____ a foreign language. I don't think it possible to master a foreign language without much memory work.翻译下. i don't think ___possible to master a foreign laguage without any___c it difficulty d it's difficult说明原因 It is necessary for us to master a foreign language.请问for us在句中做什么成分? It is difficult for ____ foreign language beginner to master a language well without doing lots of____reading.A.a;the B.the;/ C.a;/ D.the; the I don't think ____ possible to master a foreign language with six months.A、it B、that C、this D、those It is difficult for a foreign language beginner to master a language well without doinglots of reading.这句怎么翻译. I don't think ( )possible to master a foreign language without much memory workA,this B,that C,its D,it