Sagot :
Answer:
16. colder
17. more expensive
18. faster
19. higher (but this should really be 'highest' since the comparison is among the students. but since the comparative form is being asked, and not the superlative form, 'higher' is correct in this case.)
20. hotter
21. fresh
22. largest
23. biggest
24. little (boy)
25. where are the choices??
Explanation: