一、写出下列单词的比较级：
big-bigger hot-hotter warm-warmer old-older
busy-busier new-newer cool-cooler small-smaller
cold-colder heavy-heavier fat-fatter thin-thinner
二、将句子补充完整：
1,How was your holiday?（Pretty,很） good.
2,Shanghai is （漏词）（than,比） Hong Kong.
3,Is Hong Kong your (hometown,家乡)?Yes,I was born in Hong Kong.
4,Hangzhou is (famous,有名的) for the West Lake.