This is a s_____ problem.We must solve it

This is a s_____ problem.We must solve it ----------------the problem may be ,we must solve it ourselv We found________ the problem.A it is difficult to solve B it can,we,learn,solve,a,to,forget,problem,by,it It is easy __ the problem.A,for him solve B,for him to solve 1.This problem is so hard_____(solve). This problem may ----more serious ones if we don't solve it 单词拼写。 1. If we solve the problem in this way, it may do more This problem is so_________(simply) that you can solve it by It is easy to solve this problem.的另一种英语解释? This math problem is s_____ for you,but it’s difficult for s Yesterday we __ an expert to help solve this problem.A calle