1．Nancy enjoyed herself so much ________ she visited her friends in Sydney last year.
2．I’m sorry you’ve been waiting so long, but it’ll still be some time ________ Brian gets back.
3．The research will take Joan and Paul about five months; it will be a long time ________ we meet them again.
4．—Did you return Fred’s call?
—I didn’t need to ________ I’ll see him tomorrow.
5．—Why didn’t you tell him about the meeting?
—He rushed out of the room ________ I could say a word.
