1. They are____ than me 
A. Tall    B. As tall     C. Taller     D. More tall
2. This book is ____ that one
A. interesting    B. As interesting     C. More interesting    D. Interest
3. I am ____ than you
A. Busy    B. more busy    C. Busier    D. Busyer
4. This chair is _________ than the other.
A. comfortable     B. the comfortable   C. more comfortable    D. most comfortable
5. No one in my group is _______ than Duong.
A. kinder  B. kind   C more kind   D. most kind
6. Hoang visits his parents  ________ than she does.
A. little               B. least     C. the less                  D. less
7 If Cuong  runs  ________ , his brother can’t  catch him.
A. fast            B. Faster      C. the fastest          D. more faster
8. The Nile river is ____  the Mekong river
A. Longer    B. The longer    C . as long     D. Longer than