it is all very well

it is all very well it is all very well to say it is all very well to say that 英语翻译it is all very well,again,to have a tiger in the tank,bu it is a very interesting book so it ()very well It’s very important ________(learn) all the subjects well. the film is very interesting. It is well w__ seeing. It'is very well.和It'is very good.有什么区别? it,very,difficult,to,is,well,learn,english,him,for it is (well/very) worth doing 填哪一个 为什么 It is hard ___(learn) English very well we find it is very useful to study english well