1.Did I leave (...) glasses here? No, I think they're in (...) room. (my/Emily's)
2.Is this (...) office? No it's (...) office is down there. (Mr Dickinson's/his secretary's/his)
3.Whose pen is this? It's (.mine..). Where is (.yours..)? Haven't you got one? Yes, but I'm looking for (...). He can't find (...). (I/you/Andrew's/his)
4.(...) sister is here today. Is that (...) car outside the flat? No that's (...). (Jonathon's/her/his)
5.Where is the (...) library? It's downstairs, near the (...) office. (Students'/director's)
6.Is this (...) shopping? No, it's (...). (Jade's/ours)
who – который, кто
whose – чей, чьё
which – который, кто
that – тот, та, то