Percy
Spencer
____________________
the
first
microwave
oven
in
the
1940s
.
The
best
way
to
____________________
Barcelona
is
on
foot
.
Willliam
Herchel
____________________
the
planet
Uranus
in
1781
.
When
we
finally
____________________
our
destination
,
we
were
so
exhausted
.
The
train
____________________
at
the
stationan
hour
late
yesterday
evening
.
It
took
the
explorers
over
five
hours
to
____________________
to
the
north
coast
of
the
island
.
Luckily
,
the
rescue
team
____________________
to
find
the
missing
girl
.
In
the
end
,
the
climbers
____________________
in
reaching
the
top
pf
the
mountain
.