1
.
Pure
water
is
naturally
____________________
.
2
.
Water
is
the
best
____________________
to
clean
dirt
.
3
.
Pure
water
is
____________________
.
4
.
Liquid
water
____________________
to
the
shape
of
its
container
.
5
.
Water
____________________
in
rivers
.
6
.
Should
I
____________________
the
bathtub
?
7
.
Water
is
as
____________________
as
glass
.
8
.
Water
vapor
is
a
____________________
.
9
.
Ice
cubes
are
____________________
.
10
.
We
drink
water
in
its
____________________
form
.
