1.Not until he was at home that he realized his cellphone was in the classroom.
2.So popular the book you referred to is that it is not available to buy one.
3.Not only did she company me when I was ill,but also did all my work.
为你提供正确译文:
Out
ran
the
soldiers.
Under
that
tree
stood
a
girl.
Here
is
a
letter
for
you.
It
wasn't
until
he
reached
school
before
he
realized
that
his
textbook
had
been
left
at
home.
(这句难)
Seldom
is
he
late
for
school.