air where come pollution does from 连词成句 Tom is the tallest boy in his class (改为同义句）

Question

air where come pollution does from 连词成句 Tom is the tallest boy in his class (改为同义句）

Answer 1

1.Where does air pollution come from?
2.Tom is the tallest boy in his class.
= Tom is taller than any other boy in his class.
= Tom is taller than the other boys in his class.
= No other boy is taller than Tom in his class.
= No other boys are taller than Tom in his class.