_____ the fact that his initial(开始的)experiments had failed, Pro. White persisted (坚持) in his research.
----Hi, can I speak to Mr. Brown now? ----Sorry, but he is not ______. He’s having a meeting now.
The result was far beyond _____ we had expected, _____ delighted every one of us.
They say the busiest day of the year, _____ the number of shoppers, is usually the Saturday before Christmas.
The moment I completed the 800- meter race in the sports meeting, my legs _______.
----Did you make it at last? ----Yes. But for your help, it _____ a serious loss.