It was not until recently ________ we learned the famous film star would marry that politician. a.

第一题
填
that
是
not
until的强调句型
第二题
C
Not
until
提前
表否定
句子需要部分倒装
所以借助助动词did
句首为否定或半否定的词语，如no,
not,
never,
seldom,
little,
hardly,
at
no
time,
in
no
way,
not
until…
等。
Never
have
I
seen
such
a
performance.
Nowhere
will
you
find
the
answer
to
this
question.
Not
until
the
child
fell
asleep
did
the
mother
leave
the
room.
当Not
until引出主从复合句，主句倒装
典型例题：
1）
Not
until
the
early
years
of
the
19th
century___
what
heat
is
A.
man
did
know
B.
man
knew
C.
didn't
man
know
D.
did
man
know
答案为D.
否定词Not在句首，要求用部分倒装的句子结构。
2）
Not
until
I
began
to
work
___
how
much
time
I
had
wasted.
A.
didn't
I
realize
B.
did
I
realize
C.
I
didn't
realize
D.
I
realize
答案为B。