UNIT 5
The Riddle
apologized
debt
hasty
inquired
lamented
refreshment
labor
legal
captain
fasten
tunnel
answer
regular
single
camel
pardon
chosen
castle
clever
apron
terror
twinkle
central
sweater
grammar
riddle
Tonweya and the Eagles
cleft
consented
defiantly
gratitude
sacred
tribute
sign
wrist
knit
lightning
gnaw
autumn
knuckle
wring
naughty
gnat
column
knowledge
wrench
brighten
dough
campaign
handwriting
bough
solemn
gnarled
Life in Flatland
dimensions
distinguished
landscape
thickness
trifle
unique
constant
consult
neglect
patrol
accuse
distance
compose
dozen
collage
compass
torrent
focus
purchase
payment
possess
ransom
method
emblem
hammock
support
Breaker's Bridge
dismay
gorge
immortals
murky
piers
scheme
aren't
we'd
would've
we'll
you've
hasn't
you'd
haven't
where'd
what'll
they're
how's
needn't
she's
mustn't
there'll
must've
who'd
who'll
should've
Time for Kids: Cleaning Up America's Air
fumes
protective
regulations
standards
stricter
width
illness
breathing
oxygen
health
heart
kidneys
safety
organ
lungs
reaction
headaches
vitamin
hazard
substance
particle
smog
artery
ozone
symptom
allergy
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