1.Of the two girls, I find Lucy the ______(clever).
2.Gold(黄金) is ______(little) useful than iron(铁).
3.The _____(cheap) bags are the not usually the beat ones.
4.The short one is __________(espensive) of the five.
5.The boy is not so ______(interesting) as his brother.
最好可以说出原因！
參考答案:cleverer 前面有of the two girls 说明是两者之间的比较,用比较级。
less 句中有than说明是用比较级.
cheapest后面有the best ones说明用最高级.
the most expensive看见句后有of the five 说明使用最高级.
interesting so后面加形容词，根据意思只能填interesting,不能填interested
