1) Yes, there is a wardrobe to the left of me.
2) Yes, (+ i think) i will speak to my father tomorrow evening./ No, i won't speak to anyone tomorrow evening.
3) No, i am not expecting any guests./ Yes, i am expecting my sister. ( +She must come soon.)
4) Yes, there is a TV set in the right corner of my room./ No, there isn't anything in the right corner of my room.
5) No, there isn't anybody behind me./ Yes, my mother is standind behind me.
* / - вариант да/нет
** (+ ...) - допольнительные разговорные фразы (я думаю; она должна скоро подойти соответсвенно)