I、1、Which
2、competition
3、win
4、fanstastic
5、hard-working
II、1、well
2、early
3、loudly
4、quietly
5、clearly
III、1、taller ; shorter
2、heavier ; thinner
3、friendlier ; more outgoing ; funnier
4、smarter ; more hard-working ; lazier
5、shorter ; longer
6、more loudly ; more clearly;better ; faster ; higher ; earlier ; harder ; more quietly
7、friendly
8、hard
IV、1、longer hair
2、Both ; and ; better than
3、more loudly
4、singing competition
5、more clearly
6、to win ; to learn something
7、as fast as
8、study harder
V、1、more outgoing than
2、older than
3、as hard as
4、Is ; smarter than ; No ; he isn’t
5、Who
VI、1、from
2、different
3、what
4、than
5、faster
6、higher
7、as