Question

用as soon as，when，not until造句，急！！！！！！

Answer 1

I was sleeping when the teacher came into the classroom .
I haven't known that my wallet was lost until wanted to buy something .
The supper was ready as soon as I come back home .

Answer 2

I will help him as soon as possible
when he arrived there ,I had left
I won't go to bed until my father come back

Answer 3

while
when
都是当...时的意思
while一般用于并列进行时
如:i
was
doing
my
homework
whili
you
calling
me
as
soon
as
意思是
一...就
注意"主将从现"
如:i
will
call
you
as
soon
as
i
go
to
beijing