Поставить глагол в правельную форму: 1. "sorry i'm late".-" that's all right. to wait) long". 2. my brother is an actor. (to appear) in several films. 3.there is a strange smell here. have (to cook) something?

1 'Sorry I'm late' - That's all right. I have been waiting long.
2 My brother is an actor. He has appeared in several films.
3 There is a strange smell here. Have you been cooking something?