1. No books on the shelf is thinner than this one. (thin) _____________________________________ 2. No student in the class is as tall as than Huy. (tall) _____________________________________ 3. No pupil in the group is more intelligent than Trang (intelligent) _____________________________________ 4. No problem I have seen is more complicated tharn this (complicated) _____________________________________ 5. There is no easier way to solve the problem (easy) _____________________________________