将下列句子改为被动语态。谢谢。。

The lessons were not be forgotten by the students easily.
Cars will be sent abroad by sea by them.
Plenty of jobs will be given to school-leavers.
The manager said that the projected would be completed by them by the end of the year.
The workers told me that the car would be ment as soon as possible.
English lessons are being broadcasted by the radio now.

1
is
called
2
were
planted
3
are
borrowed
4
was
asked
to

is
called
were
planted
can
be
borrowed
were
made
to

1.We
call
math
the
language
of
science.

Math
__is_
_called__
the
language
of
science.
2.Where
did
they
plant
trees?

Where
__did_
trees
_be
planted__?
3.You
can
borrow
two
books
at
a
time.

Two
books
_can__be
__borrowed_
___
at
a
time.
4.The
teacher
made
the
students
copy
the
text.

The
students
__were_
made__to_
copy___
copy
the
text.

1.is
called
2.were
planted
3.were
borrowed
4.were
made

1.
is
written,
myself
2.
is
usually
liked
by
3.
are
pulluted
by
4.
are
planted
on,
by
5.
are
always
eaten
6.
are
enjoyed
by