Ⅱ 写出下列形容词的比较级和最高级。
原级 比较级 最高级
dry
thin
happy
old
lucky
fat
原级 比较级 最高级
late
dirty
big
smart
pretty
warm
答案：dry: drier, driest
thin: thinner, thinnest
happy: happier, happiest
old: older/elder, oldest/eldest
lucky: luckier, luckiest
fat: fatter, fattest
late: later, latest
dirty: dirtier, dirtiest
big: bigger, biggest
smart: smarter, smartest
pretty: prettier, prettiest
warm: warmer, warmest
解析：形容词比较级和最高级规则：dry以辅音字母加y结尾，变y为i加er/est；thin是重读闭音节，双写尾字母加er/est；happy变y为i加er/est；old有两种形式older/elder，最高级oldest/eldest；lucky变y为i加er/est；fat双写尾字母加er/est；late以e结尾加r/st；dirty变y为i加er/est；big双写尾字母加er/est；smart直接加er/est；pretty变y为i加er/est；warm直接加er/est。
Ⅲ 单项选择。
（
D
）1. I don't like the colour. I don't like the style, ______.
A. and
B. too
C. also
D. either
（
A
）2. It must ______ my size.
A. be
B. am
C. is
D. are
（
C
）3. Would you like ______ it?
A. try
B. trying
C. to try
D. try to
（
D
）4. The small knife is ______ of them all.
A. sharp
B. sharper
C. sharpest
D. the sharpest
（
B
）5. The dress is pretty but it is ______ small ______ me.
A. too, to
B. too, for
C. much, for
D. enough, for
（
B
）6. The brown suitcase is ______ than the black one.
A. heavy
B. heavier
C. heaviest
D. the heaviest
答案：1. D
解析：否定句句末“也”用either，A表并列，B用于肯定句末，C用于句中，故选D。
2. A
解析：must后接动词原形，be动词原形是be，故选A。
3. C
解析：Would you like to do sth“想要做某事”，故选C。
4. D
解析：of them all表示范围，用最高级，形容词最高级前加the，故选D。
5. B
解析：“对某人来说太……”用too...for sb，too...to do sth“太……而不能做某事”，此处后接人，故选B。
6. B
解析：than是比较级标志，heavy比较级是heavier，故选B。
