麻烦看下句型转换正确没有？

1．He
always
works
on
Saturday.
（变为一般疑问句）
Does
he
always
work
on
Saturday
?
2．She
can’t
use
the
phone
in
the
living
room.
（改为肯定句）
She
can
use
the
phone
in
the
sitting
room.
3．He
will
be
here
very
soon.
（改为否定句）
He
won't
be
here
very
soon.
4．I
like
swimming
and
climbing.
（改为疑问句）
What
kind
of
sports
do
you
like?
5．She
is
talking
to
her
boss
now.
（改为一般疑问句）
Is
she
talking
to
her
boss
now?
6．Mary
has
lunch
at
12
o’clock
every
day.
（改为一般疑问句）
Does
Mary
have
lunch
at
12
o’clock
every
day？
7．She
has
a
brother
and
a
sister.
（改为否定句）
She
neither
has
a
brother
nor
a
sister
8．I’m
twenty
years
old.
（用how
old
对划线部分提问）
How
old
are
you
？
9．The
flat
costs
120
pounds
a
week.
（用how
much对划线部分提问）
How
much
does
the
flat
cost
a
week
？
10．They
are
having
classes
in
the
classroom.
（用where
对划线部分提
Where
are
they
having
their
classes?
11．He
likes
to
live
in
London
because
it
is
very
exciting.
（用why
对划线部分提问）
Why
does
he
like
to
live
in
London
?