把几个句子翻译成英语，谢谢！

Question

1.他的爷爷去世了，他活到90岁呢。
2.虽然我是单独住，但是我并不感到孤单。
3.对于我们学生来说，学好英语是很重要的。
4.看来他对那件事情一无所知。
5.你认为谁会参加今天的晚会？

Answer 1

1.Don't
park
your
car
on
this
street.
2.
This
is
the
first
time
i
was
invited
to
a
formal
party.
3.
Sydney
is
one
of
the
most beautiful city
I've
ever
went
to.
4.
This
idea
sounds
great.
5.
You
better
keep
that
book,
because
it's
useful.

Answer 2

1.The
cars
aren't
allowed
to
park
in
the
street.
2.
This
is
my
first
time
is
invited
to
take
part
in
the
offical
party.
3.
Sydney
is
one
of
the
beautifui
city
I
have
been
gone.
4.
That
sounds
good
idea!
5.
You'd
better
to
keep
the
book
,because
they
will
usefui
for
you.

Answer 3

一、Do
not
cars
parked
on
this
street

二、This
is
the
first
time
I
was
invited
to
a
formal
dinner
三、Sydney
is
I
have
been
one
of
the
most
beautiful
cities
四、This
note
sounds
great!
五、,
You'd
better
keep
a
book,
because
they
can
be
useful

Answer 4

Don‘t
stop
the
car
on
this
street.
It's my
first
time
to
be
invited
to
take
part
in
the
formal
dinner.
Sydney
is
one
of
the
most
beautiful
cities
that
I
went.
This
idea
sounds
great！
You'd
better
reserve
these
books
because they
will
be
useful.

Answer 5

1Don't
park
the
car
in
this
street
2This
is
the
first
time
I
invited
to
attend
a
formal
party
3
Sydney
is
one
of
the
most
beautiful
cities
I
have
been
4This
idea
sounds
great
5You'd
better
keep
the
book,
because
they
will
be
very
useful