____________________
car
is
the
safest
vehicle
we
can
use
to
go
to
work
.
Besides
,
there
are
____________________
buses
in
the
city
and
riding
a
bycicle
is
dangerous
.
In
addition
,
buses
cause
too
____________________
pollution
.
Finally
there
are
____________________
nice
and
cheap
cars
in
the
city
,
Do
you
need
____________________
cars
?
