这题我不会,请英语学霸帮帮忙 。答:可数:apple, banana ,cake, dog , sheep, fish, tooth,egg,,tiger ,rabbit 不可数:bread,juice, water ,milk ,hot dog,哺乳动物:cat, tiger, rabbit ,kangaroo, whale, dog, people, sheep,卵生动物:penguin, fish, frog ,bat, bird ,hen, duck they are .they cannot they don't...