Solar energy is ......... than burning fossile fuels
good
better
bad
best
The electric buses produce...........
oxygen
warm air
hydrogen gas
fossil
Buses that ues hydrogen produce ......... air
hot
cool
warm
cold
A gold medal is ........ than a silver medal
worst
The wind farm has 12 wind turbines that .......... electricity
play
generate
build
waste
Airplanes are the ......... means of transportation
faster
fastest
fast
Boats that use gasoline are ........ than boats that use electricity
quieter
calmer
slower
louder
............ ,I think it is very important to protect our waterways
personally
mainly
person
personal
My city is located ........... the Nile River
on
by
at
in
I believe ........parkes are important fir every one
now
then
that
the
You can use a ........... to travel on water
rocket
ferry
car
bus
Some vehicles don't have any drivers because they are ....
hopeless
useless
careless
driverless
He gets exercise ......... the way to school
The city mostly uses .......... energy from the sun
moon
green
unclear
solar
When in rains ,I get......
dry
wet
clean