1. a. apple, pear, peach, tiger, bird, pillow, duck, chicken, phone, computer
b. apples, pears, peaches, tigers, birds, pillows, ducks, chickens, phones, computers
c. bread, coffee, water, tea, light(光), coke, internet, wind, fish, food
2. 不定冠词a an 定冠词the 零冠词(不用冠词) 冠词只有三种
3. a. I, you, he, she, it, we, they
b. me, you, him, her, it, us, them
c. my, your, his, her, its, our, their
d. mine, yours, his, hers, its, ours, theirs
4. 基数词:one, two, three, four, five, six, seven, eight, nine, ten
序数词:first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, tenth
5. in, on, at, of, out, from, to, with, for, above, below
6. bought, sold, brought, taught, caught, ran