1
.
The
UPC
____________________
a
seminar
in
Electronics
once
a
year
.
(
HOLD
)
2
.
Many
people
____________________
abroad
thanks
to
Erasmus
exchanges
.
(
STUDY
)
3
.
Mr
.
Walker
____________________
Mathematics
in
the
Engineering
faculty
.
(
TEACH
)
4
.
Mandy
____________________
out
some
research
in
Robotics
regularly
.
(
CARRY
)
5
.
Some
experiments
____________________
a
lot
of
money
.
(
COST
)
6
.
The
sun
always
____________________
on
the
east
.
(
RISE
)
7
.
When
we
____________________
metals
they
melt
.
(
HEAT
)
8
.
Water
and
oil
don't
____________________
when
put
together
.
(
MIX
)
9
.
Some
materials
are
very
heavy
to
____________________
____________________
.
(
CARRY
OUT
)
10
.
This
substance
____________________
a
chemical
reaction
.
(
CAUSE
)
11
.
I
____________________
____________________
the
computer
early
(
TURN
ON
)
12
.
The
sparkplug
then
____________________
the
ignition
possible
.
(
MAKE
)
13
.
Good
scientific
reports
____________________
useful
data
for
future
research
.
(
PROVIDE
)
14
.
While
heated
glass
____________________
very
brittle
.
(
BECOME
)
15
.
Gold
and
silver
____________________
precious
metals
.
(
TO
BE
)