We should ............. solutions to these problems
find
finds
finding
found
The plants also provide home ............ bees
on
for
of
off
The plants .............. carbon dioxide
eat
sleep
drink
absorb
When you give a presentation , make .......... contact with the class
mouth
hand
ear
eye
The ........... make air pollution worse
fossil fuels
trees
rain
clouds
Air pollution is one of the .............. problems for people's health
bigger
biggest
small
big
The plants keep the buildings warm .......... winter
in
at
Thank you very .............
match
much
such
many
Are there .............. questions
any
little
few
some
Let's ........... with this problem
started
starts
start
starting
The plants produce ...............
air
fossil
oxygen
carbon dioxide
Don't move around alot , keep your .......... in the same place
eyes
legs
hands
feets
Today , I'm going to talk ............. Air pollution
about
Air pollution is created ............ traffic
by
The plant help to ............ the air
cleans
cleaned
clean
cleaning