2change the sentences according to the model. model: your bag is not as new as mine ( your bag is older than mine. 1. peggy's backpack is not as heavy as mine ( 2. the weather today is not as good as it was yesterday ( 3. this house is not as big as that one ( 4. this picture is not as (expensive) as that one ( 5. the black sea is not as warm as the red sea ( 6. this cauldron is not as dirty as that one (