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学业达标测评l 知能达标演练
Ⅰ. 单项填空
1. (2012·兰州高二检测)—I’m sure Andrew will win the first prize in the final.
—I think so. He ________ for it for months.
A. is preparing B. was preparing
C. had been preparing D. has been preparing
2. By the time you realize you ________ your health, it’ll be too late for you to do anything about it.
A. lose B. lost
C. have lost D. have been losing
