1.
Greater, greatest
Kinder, kindest
calmer, calmest
rougher, roughest
narrower, more narrow
2 ,
In my opinion, I think reading newspapers will be more helpful than reading online
She is the most friendly person I’ve met
Obesity is more serious than some diseases
3,
agreeable - able
faithful - ful
5, I just have a best friend in my life. She is named Quynh Anh and is currently studying at the university. She is shorter than I am but she has an oval face and big black eyes. Although I had met many people for a young age, I decided to hang out with her.