We
have
to
clean
the
____________________
with
the
____________________
.
We
have
to
____________________
our
____________________
before
eating
.
We
must
have
a
____________________
every
two
days
.
We
must
____________________
at
least
three
pieces
of
____________________
a
day
.
It
is
recomendable
to
drink
____________________
liters
of
____________________
a
day
.