They find it hard to master a foreign language. 他们发现要掌握一门外语是

They find it hard to master a foreign language. 他们发现要掌握一门外语是 他们发现要掌握一门外语是困难的（用find it hard to)用英语怎么说 To master a foreign language one must work hard at it. 16.To master a foreign language,______ . To master a foreign language,______. l found_____important to master a foreign language. 1、他们发现要掌握一门外语是困难的. It is difficult for a foreign language beginner to master a It is difficult for ____ foreign language beginner to master I think that it is important to master a foreign language.(同 I don't think it possible to master a foreign language witho I think that it is important to master a foreign language.(改