l didn't know anything about it before he told me(保持句意) _ he told me ,l had no _ of it

l didn't know anything about it before he told me(保持句意) _ he told me ,l had no _ of it
l didn't know anything about it before he told me(保持句意) _ he told me ,l had no _ of it

l didn't know anything about it before he told me(保持句意) _ he told me ,l had no _ of it
until. not until 直到.才.的意思

答案：
Till, idea

Until. idea

When , idea