If he can ________his ability with hard work, he will be very successful.
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When will you _________from college?
The general public had little _______before the 1950s.
Have you _______to meet him this afternoon.
智猪博弈模型表明,作为小猪的战略选择是
A. 单独踩踏板
B. 在出食口等待
C. 跟着大猪踩踏板
D. 跑出笼子