你真聪明,解出了这道数学题. It is ____ of you to work out the maths _____

it is kind for you to help me work out the maths problem It‘s so c（c打头的单词） of you to work out the maths problem in su the maths problem is too different.____ can work it out. most of us find it d_____ to work out the maths problem All of us found hard to work out the maths problem 为什么答案是it Is ____ easy _____ out the maths problem? The maths problem is difficult,but f___we work it out. Can you find___ ways to work out the maths problem the maths problem is ____ easy for us to ___.A,too,work it o 英语词汇类填空题You can ____(容易)work out the maths problem as long a 1.It's _for th buy to work out the Maths problem.It's too di The problem is too difficult.Can you _____? A.work out it B.