用形容词的恰当形式填空

用形容词的恰当形式填空
14.This bag is very ________( heavy) but that one is _______(heavy) than this one .It’s the ________( heavy) of all .
15.Jiamin is _______( tall ).But Yongxian is _______( tall ) than him .
16.Our library has ________(many ) books than before .
17.I sing the _________( good ) in class.
18.The woman is the ________( fat ) of the three .
19.The cat is _________(fast)he horse is _______(fast) than the cat .The leopard is the _______(fast) of the three .
20.Chinese homework is ________(easy)Maths homework is _______(easy) than it .And English homework is the ______(easy)of all .
21.Which is ___________(heavy)a tiger ,a lion or a bear
22.Who jumps ________(high ) a kangaroo or a monkey