用括号内形容词的正确形式填空。
1、His ruler is (long) than hers.
2、Whose schoolbag is (heavy) ? Tom's is ( heavy ).
3、Which picture is (beautiful) ?
4、Shanghai is (big) than Nanjing.
5、The weather in Beijing is (warm) than that in Shenyang.
6、Ants are (small) than butterflies.
7、Is football (exciting) than basketball?
8、The traffic today is (heavy) than yesterday.
9、Class 3 is (clean) than Class 4.
10、Are you as (thin) as Liu Tao?
11、He is (good) at English than me.