( 二 ) 用所给词的正确形式填空: 1. Of the two girls, I find Lucy the _______ (clever). 2. Gold( 黄金 ) is ______ (little) useful than iron( 铁 ). 3. My sister is two years _______ (old ) than I. 4. John’s parents have four daughters, and she is the _____ (young) child. 5. The _____ (cheap) bags are the not usually the best ones. 6. The short one is by far _______ (expensive) of the five. 7. The boy is not so ______ (interesting) as his brother. 8. Dick sings _____ (well), she sings ______(well) than John, but Mary sings______(well) in her class. 9. She will be much ______ (happy) in her mew house. 10. This dress is ______ that.(twice, as...as..., expensive)