2) all of them are mammals. 3) none of them like rainy weather. 4) both Maria and Marina are good students. 5) neither of them can speak German. 6) all of them failed the exam. 7) both Phil and Georgina are very friendly. 8) both Jean and Deborah have fair hair and blur eyes.
2) both Frank and Sandra have got blue eyes. 3) both Jeff and Richard are very athletic. 4) either Dave or Mike is walking the dog. 5) neither Jeff nor Artemis like spicy food. 6) either David or Alice is cooking dinner.