① I have a difficult time writing in Korean.

② I have a difficult time to write in Korean.

③ Mike has a difficult time writing in Korean.

④ Mike has a difficult time to write in Korean.

⑤ Mike has difficulty to write in Korean.

2. 다음 짝지어진 대화가 자연스러운 것은?

① A : Could you lend me the book we talked about?

   B : No problem. Mi-ra borrowed it.

② A : How about changing your cell phone?

   B : I don’t need to change it because it doesn’t work.

③ A : You always study with the TV on.

   B : What’s the matter with you?

④ A : The soccer match is tomorrow. I’m worried.

   B : Congratulations. We practiced a lot last week.

⑤ A : What do you want to eat?

   B : I don’t know. Whatever you eat, I’ll have the same thing.