1.Who is stronger_____ (strong),David or Jack?
2.Are you feeling _better____ (well) today than yesterday?
3.Yesterday was __hotter___ (hot) than yesterday.
4.An elephant is much __heavier___ (heavy) than a mouse.
5.Which is __longer___ (long),his pencil,hers or yours.
6.In summer,star under a big tree and you'll fee _cooler____ (cool).
7.Lin Hai is _the cleverest____ (clever) of the three.
8.I don't like Maths because it's getting _boringer____ (boring).
9.Who studies __the hardest___ (hard) in yours class?
10.My bedroom is much __cleaner___ (clean) than my brother's