
( / ) was great to meet you.
It is not easy ( / ) early in the morning.
( / ) is necessary to study for the test.
It was difficult ( / ) the right answer.
( / ) was fun to play soccer with my friends.
It is exciting ( / ) a soccer match in a big stadium.
It is necessary study for the exam.

It is fun play this game on my phone.

It not is easy to wake up early.

It is difficult learning a new language.

It is important eat breakfast.

길에서 달리는 것은 위험하다.
매일 공부하는 것은 중요하다.
하루 종일 집에 있는 것은 지루하다.
채소를 먹는 것은 건강에 좋다.