Please drive ________ (careful / carefully). The road is slippery.
carefully
She speaks English very ________ (good / well).
Well
Bigger
Gold is ________ (expensive) than silver.
More expensive
This flower is more prettier than that one.
Prettier
The sun is shining ________ (bright / brightly).
Brightly
He is a ________ (quiet / quietly) boy
Quiet
Your result is ________ (good) than mine
Better
Summer is ________ (hot) than spring.
Hotter
She plays the piano good.
Well
They finished the work ________ (easy / easily).
Easily
She smiled ________ (happy / happily) at the camera.
Happy
Health is ________ (important) than money.
More important
Planes are ________ (fast) than trains.
Faster
Today is the most coldest day of the year.
Coldest
This is a ________ (hard / hardly) exercise.
Hard
I feel ________ (bad / badly) about the mistake.
Bad
He is the ________ (funny) person I know
Funniest
It was the ________ (bad) day of my life.
Worst
You must work hardly to pass the exam.
Hard
This cake tastes ________ (delicious / deliciously).
delicious
The train was very ________ (slow / slowly) today.
Slow
Who is the ________ (tall) student in your class?
Tallest
This is the ________ (interesting) book I have ever read.
Most
He runs very fastly.
Fast