it is difficult work
it is difficult work
The maths problem is difficult,but f___we work it out.
It is very difficult that we finish the work today.
however difficult it is,i''ll work hard 分析
It is such a difficult problem___nobody can work out.
The problen is difficult.I can't work it out.
It is difficult _her _the work in half an hour
The problem is too difficult .------student can work it out
it is difficult to work out the problem 对work out the proble
英语单选题1.It is difficult to ______ work as it is sometimes mix
parents found it is difficult/it difficult/it was difficult
It is such difficult work that we can't finish it in a shout