is------difficult to learn English well?A.this B.that C.he D.it

Mr.right is difficult to is difficult to同义词是什么 Chinese is a difficult （) to learn.填空 英语作文 English is difficult to learn She is difficult to work with. how difficult is it to save money? next door to me,is extremely difficult The woman is difficult to understand Chinese c( ) is difficult to write. Nothing is difficult to a willing mind . is it difficult to learn Japanese? parents found it is difficult/it difficult/it was difficult to teach children.说明选择原因 difficult is not difficult is difficult to do sth .还是to doingis difficult to do sth .还是to doing sth, it is difficult to do /doingit is difficult 后接to do 还是doing Why everyting is so difficult to me,why?Why everyting is so difficult to me,why? 是it is difficult to me to do sth还是it is difficult to me for sth还是it is difficult to me to sth Difficult to