We _____ recycle plastic bottles in school.
allowed to
can't
must
turn off / so that / I can / I / save energy. / the lights
I turn off the lights so that I can save energy.
You ____ turn off the faucet when brushing your teeth.
must
allowed to
can't
S__VE E__EC__RI__ITY
SAVE ELETRICITY
future generations / water waste / so that / Reduce / have enough.
Reduce water waste so that future generations have enough.
recycle / don't destroy the environment. / plastic bottles / so that they / We
We recycle plastic bottles so that they don’t destroy the environment.
there is less air pollution./ public transport / Use / so that
Use public transport so that there is less air pollution.
I _____ throw out trash to keep the beach clean.
allowed to
must
can't
We are not _______ talk in the library.
must
allowed to
can't
S__O__ P__L__UT__ON
STOP POLLUTION
R__D__CE W__ST__
REDUCE WASTE
I am not _____ ride my bike to come to school.
allowed to
can't
must
HA__E F__E__H A__R
HAVE FRESH AIR
You _____ litter.
must
allowed to
can't
C_N_S
CANS
KEE__ T__E PL__N__T CL__A__
KEEP THE PLANET CLEAN
T__R__
TIRE
I _____ waste water in my house.
can't
allowed to
must
more trees / so that / Plant / the air becomes cleaner.
Plant more trees so that the air becomes cleaner.