小学英语副词的比较级和最高级选择题

The brown cat is as ______ as the black cat.
A.fat      B. fatter        C. thinner

John is 45kg. Mike is 50 kg. We can not say:
A. Mike is bigger than John.
B. Mike is thinner than John.
C. Mike is stronger than John.

刘涛比我高。
Liu Tao is           than            .

Mike is very fat. He is _________ than Liu Tao.
A. older            B. heavier            C. younger

She is _________ than me.
A. strong       B. stronger     C. strongest