Напиши существительные во мн. числе.1. a pen-two.............. 7. an ox-four.............2. a bus-ten............... 8. a deer- two............3. a woman-two......... 9. a child-two...............4. a mouse-three........ 10. a class-three...........5. a fish-three.............. 11. a foot-two.............6. a tooth-five............. 12. a sheep-ten..........