6.1 2.I like the red dress.
3.I am hungry.
4.He wants to do something different.
5.There is a big garden in our school.
6.The insect is long and fat.
6.2 1.a lovely day 2.a wonderful boy 3.bad 4.a good idea 5.new shirt 6.a good restaurant 7.good，naughty
6.3 1.cold 2.bad 3.dry 4.happy 5.tall 6.small 7.heavy 8.new/young
9.expensive 10.full 11.difficult 12.light
6.4
6.5 1.beautiful 2.tall 3.heavier 4.earlier 5.more expensive 6.the oldest building 7.the coldest day 8.big