difficult or difficulty

题目

difficult or difficulty
which is correct?is (1) or (2) correct?please explain.
(1) It is kind of difficult to imagine that a few years ago people had to spend their time in lines buying ticket.
(2)It is kind of difficulty to imagine that a few years ago people
had to spend their time in lines buying ticket.
is this correct?
it is a kind of difficulty to imagine.

答案

kind of ‘有点儿.’.的意思,后接形容词或副词.
a kind of ‘ 一种’的意思,后接名词.
所以1对.你的问题补充也对.