1.English is very useful.It's i_____ for us to learn it well

It's i_____ to learn English well. It is very important for us to learn English well.这个句子中for u 中文意思it's very importang for us to learn english well because It's n( ) for us to learn English well. It's important for us to learn English well. It is ______ for us students to learn English very well.(nee it is （p ） for us to learn english well We found it was very useful to learn English well it,very,difficult,to,is,well,learn,english,him,for I think——（this,that,it）is very useful to learn english well. 将I find it is useful to learn English well. 英语连词成句1.well,it,English,is,learn,important,to,us,for坐等