74. Обведите правильный вариант. (§ 3, §§ 7-8) 1. Is that (you your suitcase? Yes, it's (my/mine. 2. This is their theirs) classroom. It's (their /theirs). 3. Are these our/ours) tickets? Yes, they're (our/ours). 4. Is this (Olga Olga's) schoolbag? No, it isn't. (Her / Hers) is yellow. 5. Is this umbrella (your/yours)? No, (my mine) is in (my (mine) office. 6. Is that room (Paul Paul's) and (Andrew / Andrew's)? No, it isn't (their / theirs). It's (David / David's).