cheap=>cheaper

cold=>colder

thin=>thinner

good=>better

fast=>faster

big=>bigger

high=>higher

long=>longer

pretty=>prettier

heavy=>heavier

narrow=>narrower

old=>older

near=>nearer

bad=>worse

fat=>fatter

ugly=>uglier

clever=>cleverer

close=>closer

safe=>safer

far=>farther/further

large=>larger

noisy=>noisier

cheap⇒cheaper

cold⇒colder

thin⇒thinner

good⇒better

fast⇒faster

big⇒bigger

high⇒higher

long⇒longer

pretty⇒prettier

heavy⇒heavier

narrow⇒narrower

old⇒older

near⇒nearer

bad⇒worse

fat⇒fatter

ugly⇒uglier

clever⇒cleverer

close⇒closer

safe⇒safer

far⇒farther

large⇒larger

noisy⇒noisier

----------------chúc bn học tốt--------

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