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The highest award was given to Anna, who _____ so hard on the project for years, and at last her efforts
paid off.
[     ]
A. has worked
B. worked
C. was working
D. had been working
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科目：高中英語(yǔ) 來(lái)源：2004全國(guó)各省市高考模擬試題匯編(天利38套)·英語(yǔ) 題型：014

It was during the 1920's that the friendship between the two American writers Hemingway and Fitzgerald reached ________ highest point.

[　　]

A．their
B．its
C．his
D．our

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