помагите с англ яз пожалуйста ​

1.
good - better
funny - funnier
small - smaller
fat - fatter
noisy - noisier
bad - worse
short - shorter
dirty - dirtier

2.
car is safe than scooter
minibus is slower than tram
plane is noisier than hot-air balloons
train is cheaper than plane

3.
не знаю