Are these korean sentences correct or not ? Please correct my mistakes ! 감사합니다 ^^
-그는 귀여운 아닌가요 ? Isn't he cute ?
-네 사진 좋아해요. I like your pictures.
-서울 날씨 어때요 ? How's the weather in Seoul ?
-고등학교는 어려워요. High school is difficult.
-5년 전에도 잘했구나. You did good job 5years ago