I:
/z/
→ rooms, dogs, beds, tables, chairs, televisons, pictures, fridges, cookers, vases, windows, photos, attics, villas, walls, shelves
/s/
→ lamps, toilets, apartments, books, baths, chopticks, lights, parents, clothes, plants, tablecloths, tourists
/iz/
→ houses, boxes, dishes, vases, wisehes, sandwiches, classes
II.
1. cats
2. clothes
3. bags
4. wardrobes
5. plates