$1.$ Hung is not taller than Nam.
$2$. This computer is not as cheap as than I thought.
$3$. This is the best book I have ever read.
$4$. Every other girl in the class is not taller than Hoa.
$5$. No mountain in the world is higher than Mount Everest.
$6$. Tim is fastest runner in the class.
$@ThanhTruc2008$