You
____________________
(
may
/
might
)
leave
now
if
you
want
.
Alex
did
not
go
to
the
school
.
He
____________________
(
might
/
may
)
be
sick
,
but
I
don't
think
so
.
(
could
,
might
)
____________________
you
open
the
door
,
please
?
Someone
said
my
name
.
It
____________________
(
might
/
could
)
be
the
teacher
.
It
____________________
(
may
/
might
)
may
rain
later
.
We'd
better
take
an
umbrella
.
It
____________________
(
may
/
might
)
might
rain
later
,
but
I
don't
think
it
will
.
(
May
/
might
)
____________________
we
sit
here
?
I
never
thought
I
____________________
(
could
/
may
)
do
it
.
You
____________________
(
must
/
should
)
do
your
homework
before
going
out
.
It's
an
order
!
I
don't
know
but
you
____________________
(
must
/
should
)
try
to
lose
weight
,
or
you
may
get
sick
.
It's
just
a
suggestion
.
A
bird
can
(
can
/
must
)
fly
thanks
to
its
wings
!
