I am 40kg.He is 45kg.I am __________ than him.

问题描述:

I am 40kg.He is 45kg.I am __________ than him.
A.heavy
B.heavyier
C.big
D.bigger

答案是B.heavier,记得在做比较时,如果形容词尾是”y”,要换成“i"+er.