They were surprised that a child should work out the problem____ they themselves could not.
It was on November 15, 2010 ______ a big fire happened in Shanghai, ______ was a great shock to lots of people.
Knowing office rules -- whether ______ or not -- is important, especially for young job seekers.
"I'm more nervous right now than when I ______," Jane said, as she saw the group of reporters waiting anxiously at the exit of the gym.
Though it is 30 years______ we last met, I still remember the scene ______ we got separated on a rainy day.
-- Waiter! How soon can I get my food? I just have half an hour left before my train leaves.-- It ______ be ready in five minutes.