very difficult～if0怎么作差，和什么作差？

very difficult～if0怎么作差，和什么作差？ Is your research project very difficult?怎么回答 this question is very difficult ( ) Another thing that he found very difficult was English gramma.（改为同义句）____ _____ another thing that the found very difficult?(怎么填?为什么?) He found it very difficult to learn maths 怎么分析句子成分啊 Lt's very difficult for lazy people to have a healthy life s_空怎么填 It is very difficult _____（drive）in the mountains.用恰当形式填空怎么写? It's very difficult ( ) get to the top of Mount Qomolangma.怎么填? so difficult 和too difficult 和very difficult 和much too difficult..的区别 Another thing that I found very difficult was English grammer这个句子如何分析?difficult是形容词,怎么能做found的宾语呢? I think math is very difficult.同义词 English is very difficult改为感叹句 English grammar is very difficult.(改为感叹句) Love a person is very difficult是什么意思 difficult very ill problem student的近义词 it is very difficult for me. it was very difficult to build. Very difficult to understand什么意思