1
.
She
____________________
so
many
pronunciation
errors
that
nobody
could
understand
what
she
was
talking
about
.
2
.
Unfortunately
the
plane
crash
was
caused
by
human
____________________
.
3
.
In
some
countries
,
it
is
illegal
to
____________________
experiments
on
animals
.
4
.
Having
good
communication
skills
is
an
important
____________________
of
the
job
.
If
you
don't
have
them
,
you
may
not
get
the
job
.
5
.
Scientists
made
a
special
____________________
for
deaf
people
;
it
helps
them
to
communicate
easily
.
6
.
In
the
meeting
the
director
distributed
a
____________________
in
order
to
show
the
increase
in
sales
.
7
.
In
the
summer
,
the
academy
will
____________________
some
paintings
of
Picasso
.
8
.
If
you
don't
____________________
your
flight
48
hours
before
departure
,
it
is
cancelled
.
9
.
The
police
cannot
give
a
____________________
answer
before
they
finish
the
investigation
.
10
.
Tom
is
not
working
late
tonight
;
he
is
____________________
to
go
out
.
11
.
Smoking
is
a
____________________
cause
of
cancer
.
12
.
It
was
____________________
from
his
face
that
something
bad
had
happened
;
he
looked
very
upset
.
13
.
On
the
first
day
of
school
,
the
director
____________________
the
importance
of
attending
classes
regularly
.
14
.
Some
people
think
that
certain
foods
____________________
their
headaches
;
they
start
to
have
headaches
after
eating
these
foods
.
15
.
Parents
play
a
____________________
role
in
preparing
their
child
for
school
;
their
role
is
important
.
