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