it is difficult to do /doingit is difficult 后接to do 还是doing

it is _____for a child to read.A.too difficult book B rather a difficult book C.quite a difficult book D too difficult a book parents found it is difficult/it difficult/it was difficult to teach children.说明选择原因 how difficult is it to save money? is it difficult to learn Japanese? Greek is a language I found__to learn.A.is difficult B.it is difficult C.it difficult D.difficult. is------difficult to learn English well?A.this B.that C.he D.it 根据首字母填空It is difficult for us to tell the three d( ) between these words. It is difficult to ____ too many things home.a.eatb.drinkc.bring d.need It is difficult to start a ().A.conversation B.saying C.word D.speaking 根据首字母填空It is difficult for us to tell the three d( ) between these words. It is difficult{ } the spacecraft into space A.send B.sends C.sending D.to send it is difficult to do sth对还是it difficult to do sth对 it difficult to do sth 和it is difficult to do sth 的区别 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 it is difficult to understand.中的it是什么词 Such a difficult problem__that I don't know what to do with it.A.it is B.was it C.is it D.it was it is difficult to do /doingit is difficult 后接to do 还是doing He found __very difficult to drive a car.a,him,b it is c it d thatwhy