I think it difficult to learn English well句中为什么用it?

I think it difficult中间能加IS吗 In English a difficult subject ? no, I think it'sIn English a difficult subject ?no, I think it's ______ I think that it is _____ problem for us.a quiet difficult b quiet a difficult c very difficult a What do you think of your new job?I think it is very difficult（判断） What do you think is the most difficult s____?I think it's math 什么时候用it什么时候用it is,如I think it difficult to do my homework. I think s_____ is my favorite subjectI think s_____ is my favorite subject.I think it is too difficult. i think chinese is very difficult.i am afraid i am not a______to learm it well. i think chinese is very difficult.i am afraid i am not a______to learm it well. I think it difficult to learn English well句中为什么用it? I think it's very difficult.改为否定句 I can speak English 改为一般疑问句 I think .difficult to work out the problem.A,it B.this C.that D.I i think chinese is very difficult.i am not a______to learm it well. I think maths is very difficult,but I’m not b______ in it. 用to ,it,do,think,well,is,anything,I,difficult.造句 i think it is difficult for chinese studes to lear english g_____横线填什么 He doesn't think it's difficult. I think science is( )A real difficult Breally difficult语法