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