1
a
The
furniture
is
here
in
reception
b
The
office
chairs
are
here
in
reception
.
2
a
____________________
causes
pollution
.
b
____________________
____________________
____________________
cause
pollution
.
3
a
Is
your
____________________
heavy
?
b
Are
your
____________________
heavy
?
4
a
The
____________________
____________________
at
the
plaza
Hotel
is
luxurious
.
b
The
____________________
at
the
plaza
Hotel
are
luxurious
.
5
a
The
____________________
you
ordered
is
in
the
envelope
.
b
The
____________________
____________________
you
ordered
are
in
the
envelope
.
