Millions
of
years
ago
,
dinosaurs
____________________
(
walk
)
the
earth
.
Some
dinosaurs
____________________
(
hunt
)
.
They
____________________
(
be
)
carnivores
and
____________________
(
eat
)
meat
.
The
most
dangerous
dinosaur
____________________
(
be
)
T
-
rex
.
It
____________________
(
have
)
big
teeth
and
____________________
(
can
)
run
fast
.
Most
dinosaurs
,
like
the
diplodocus
,
____________________
____________________
(
not
eat
)
plants
.
One
of
the
smallest
dinosaurs
known
,
____________________
(
be
)
only
about
as
large
as
a
chicken
,
60
?
90
cm
long
,
including
the
long
tail
.
For
a
long
time
people
____________________
____________________
(
not
know
)
anything
about
dinosaurs
.
A
man
called
William
Buckland
____________________
(
find
)
the
first
fossil
of
a
dinosaur
in
1819
.
In
1941
,
Sir
Richard
Owen
____________________
(
come
)
up
with
the
name
'dinosaur'
,
which
means
''big
,
scary
lizard
"
.
What
happened
to
the
dinosaurs
?
Why
____________________
they
____________________
(
die
)
?
65
million
years
ago
,
an
asteroid
____________________
(
hit
)
the
earth
and
the
dinosaurs
____________________
(
become
)
extinct
.
