16.This river is the same as long as that one
17.Bao is like Lam
18.Kien has the same as tall as his brother

1.I am shorter than my brother
2.Hai Duong is smaller than Ha Noi
3.His shoes is cheaper than mine
4.This exercise is easier than that one

5.My mother cooks as well as me

5 có thể 
My mother cooks better than me

1.I am shorter than my brother
2.Hai Duong is smaller than Ha Noi
3.His shoes is cheaper than mine
4.This exercise is easier than that one

2)
10. Bill isn't as intelligent as Jill
11. The color of his briefcase is like mine
12. The price of this bicycle is different from that one
13. His car doesn't run as fast as a race car
14. Mr.Brown speaks the same language as Mrs.Kent
15. The weather today is like the weather yesterday.
16. This river is the same long as that one
17. Bao is like Lan.
18. Kien has the same tall as his brother.

CÔNG THỨC: 
-The same+noun+as hoặc The same (as +N)
-Be + like + N hoặc N + like + N