It is difficult(?) many students(?)(?)English.括号应该填什么?

it is difficult it is difficult at Everythingt is difficult before it is parents found it is difficult/it difficult/it was difficult to teach children.说明选择原因 Greek is a language I found__to learn.A.is difficult B.it is difficult C.it difficult D.difficult. It is difficult to m() a language ,so you must work hard.首字母填空 I think maths is very difficult,but I’m not b______ in it. It is difficult () out this maths problem it is very difficult for me. how difficult is it to save money? it is difficult doing.sth造句 it is difficult a book for us is it difficult to learn Japanese? it is difficult for me.为什么要用for?是it is too difficult for me. 英语1.why not keep the door()?it is blowing outide a.is clised b.close c.closed d .open2.my box is ()than yours ,so i think ()to carry ita.more heavy,it is difficult b.heavyer,it is difficult c.heavy,it difficult d.heavier,it difficult3.what made m Bumping into someone even on a crowded street where it is difficult not to also calls for I'm sorry“ difficult is not difficult it is difficult to understand.中的it是什么词