The
adventurer
was
walking
____________________
the
forest
when
he
discovered
the
cave
.
You
can
drive
____________________
the
tunnel
and
cross
the
mountain
.
The
plane
was
flying
____________________
the
sea
.
When
my
mother
came
____________________
the
house
,
I
was
studying
.
The
plastic
bag
broke
and
all
the
eggs
fell
____________________
.
I
want
to
travel
____________________
the
whole
world
!
The
taxi
driver
put
his
keys
____________________
the
table
.
This
is
the
main
floor
and
you
want
to
go
to
the
third
floor
.
Go
three
floors
____________________
.
