写出下列各词的比较级和最高级形式。

1. interesting _____________ _____________ 3. new _____________ _____________ 5. heavy_____________ _____________ 7. expensive_____________ _____________ 9. big _____________ _____________ 11. early _____________ _____________ 2. difficult _____________ _____________ 4. cheap _____________ _____________ 6. boring_____________ _____________ 8. old _____________ _____________ 10. beautiful _____________ _____________ 12. exciting_____________ _____________

1. more interesting, the most interesting 2. more difficult, the most difficult 3. newer, newest
4. cheaper, cheapest 5. heavier, heaviest 6. more boring, the most boring 7. more expensive,
the most expensive 8. older, oldest 9. bigger, biggest 10. more beautiful, the most beautiful
11. earlier, earliest 12. more exciting, the most exciting