IV
3 Mai is the biggest
4 Nhu learns worse than AN
5 Mary is the same heavy as Susan
6 Nam has as many notebooks as Ba
8 Her sister is more beautiful than her
9 My pen is different color from yours
11 Nam is the tallest student in our class
12 She is the most intelligent
14 He and she are the same height
15 Her new house is smaller than her old one
16 Peter is the tallesr student in my class