It is very difficult _____ him _____ the exam. [  

It is very difficult for _____ English. [   & _____ is the most difficult of _____. [   &nb The question is very _____, she can answer it _____. [     It's very friendly _____ him to help me whe 9. It is very difficult for a teacher to _____ ... 1.Lesson is very difficult,but _____ people understand it. The work is very difficult..it's _____(possible) to finish i It is very difficult _____（drive）in the mountains.用恰当形式填空怎么写 _____ pass this important but difficult exam very easily. The sweater _____(it) is very beautiful It is difficult to _____ the importance of the decision. _____ is very difficult.[ ] A.Lesson fifth