That evening,________ I will tell you more about later,I ended up working very late.(2012·全国Ⅱ,8)
“Where is David?” “He is upstairs ______ ready to go out.”
When I handed the report to John, he said that George was the person _______.
To test eggs, _______ them in a bowl of water: if they float they’re bad, if they sink they’re good.
He is a man of few words, and seldom speaks until _______ to.
The discovery of new evidence led to _______.