一、1、coming
2、getting
3、tallest
4、taller
5、bigger;bigger
二、father;years;doctor;taller;
stronger;teacher;teaches;thin;
thinner;heavy
三、1-4:C B C A
四、I have a good friend.Her name is Betty.She is 12 years old. I'm one year
older than her.She is 1.56 metres tall.I'm taller than her.She is about 40
kilograms.I'm 50 kilograms.So she is thinner than me.