问题
填空题
看一看，填一填。
This watermelon is _________, but that one is ___________.
This ruler is __________ than that ruler.
That ruler is __________ than this ruler.
Lingling's bag is _________ than Amy's.
Amy's bag is _________ than Lingling's.
答案
1. big, small 2. longer, shorter 3. heavier, lighter