1) What are you doing, Rick?
2) Why are you asking?
3) Were you smoking again?
4) No I wasn't.
5) I have never smoked in our room.
6) So why is smoke coming out from under the door?
7) He smokes.
8) I don't like it.
9) I don't want anyone to smoke in the house.
10) Doctors say it's unhealthy. . .
Наверное, так. Правда, я не понял к чему в последнем предложении "102". Надеюсь, что помог.