1. 나 오후에 영화 보러 갈거야.같이 갈래?

 I'm going to go the movie in the afternoon. Do you want to go with me?  ----->  I'm going to the movies in the afternoon. Would you like to go with me?

2. 물론이야. 좋아.몇 시에 만날까?

 Sure. Okay. What time shall we meet?  ----->​  Sure, I'd like to. What time can we meet?

3. 3 시 어떠니?

 Shall we meet at 3 o'clock?  ​----->​​  How about three o'clock?​