Phusics is difficult _____.A)for learning B)to be learned C)to learn D)of learning

Phusics is difficult _____.A)for learning B)to be learned C)to learn D)of learning difficult is not difficult English is too difficult. it is difficult it is difficult at Is learning Japanese difficult? English is difficult.(对difficult提问) this question is very difficult ( ) oh, volleyball is so difficult... difficult as the problem is the exam is really difficult Soccer is a difficult sport. Mr.right is difficult to is difficult to同义词是什么 Greek is a language I found__to learn.A.is difficult B.it is difficult C.it difficult D.difficult. “more difficultis the comparative ofdifficult翻译 I think science is( )A real difficult Breally difficult语法 Everythingt is difficult before it is