好的，以下是一些英语三年级下册的数字句子：
One apple, two apples, three apples.
Four books, five books, six books.
Seven days, eight days, nine days.
Ten boys, eleven boys, twelve boys.
Thirteen girls, fourteen girls, fifteen girls.
Sixteen cookies, seventeen cookies, eighteen cookies.
Nineteen coins, twenty coins, twenty-one coins.
Twenty-two dogs, twenty-three dogs, twenty-four dogs.
Twenty-five cars, twenty-six cars, twenty-seven cars.
Twenty-eight cats, twenty-nine cats, thirty cats.