English is very difficult .We need to work( ) at it every da

English is very difficult .We need to work( ) at it every da It is very difficult that we finish the work today. To improve our spoken English ,we need to read a___ every da it,very,difficult,to,is,well,learn,english,him,for it is ___(need)to read English every moring Need to understand that true English is very difficult to a It' s hard work and we need to work very quickly,but I'm not There is a p___under the chair.You need to water it every da Though it is very difficult ,we will finish the work in time the problem is very difficult.we can't work it out.(合并一个句）th The problem is very difficult.We can't work it out.The probl the problem is very difficult.we can't work it out.(合并）the p