Question

You are sure to know the result, but that's ____ everybody has finished their work

Answer 1

Until直到….为止,肯定形式表示的意思是"做某事直至某时"，动词必须是延续性的。
I
slept
until
midnight.
我一直睡到半夜时醒了。
选when，
当,,,时候
本题可以写，you
don't
know
the
result
until
everybody
has
finished
their
work
not
until直到…才,
否定形式表达的意思是"直至某时才做某事"。动词为延续性或非延续性都可以。
She
didn”t
arrive
until
6
o”clock.
　
她直到6点才到。
　
Don”t
get
off
the
bus
until
it
has
stopped.
　
公共汽车停稳后再下车。
　
I
didn”t
manage
to
do
it
until
you
had
explained
how.　
直到你教我后，我才会做。