1
.
There
is
an
exam
tomorrow
.
Needless
to
say
,
____________________
has
to
study
for
it
.
2
.
I
don't
know
____________________
who
has
traveled
to
another
planet
.
3
.
Be
quite
!
____________________
is
coming
.
4
.
Does
____________________
live
in
that
house
?
score
5
.
Isn't
there
____________________
at
home
?
