Jaka będzie liczba mn. od rzeczowników złłożonych : 1. a jack-in-the-box 2. a greenhouse 3. a great-grandfather 4.a hairdryer 5. a teapot 6. an ashtray 7. a redhead 8. a walking stick

1. a jack-in-the-box    a jacks-in-the-box 2. a greenhouse      a greenhouses 3. a great-grandfather    a great-grandfathers 4.a hairdryer       a hairdryers 5. a teapot     a teapots 6. an ashtray    an ashtrays 7. a redhead   a redheads 8. a walking stick     a walking sticks