Now , he ............. for the bus
is waiting
wait
waited
waits
What is he ............ now ?
doing
does
do
did
............. are made by factories , car and lorries .
emissions
wind
fuel
rain
Scientists are ............ new forms of renewable energy
discovered
discovering
discovers
discover
............ can make water pollution
plants
plastic
flowers
trees
............ can be dangerous when there is too much in the air
carbon dioxide
climate change
recycling
oxygen
What is she ............. ?
can read
reads
read
reading
I ............ an email to my uncle soon
sent
am sending
send
is sending
It's important to ............. plastic
cycle
recycle
throw
I ............... walking to school
am
are
is
were
She is ............. gloves
wearing
wears
wear
wore
They ............ helping the environment
isn't
They ........... picking up the garbage
aren't
dosen't
don't
He ............ a football match now
watch
watches
is watching
watched
we 're talking ............ popultion
to
with
about
in