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Hurry up, Paul! Your mother is sure ____ for us at the bus stoop
A. to be waiting B. to wait C. of waiting D. of being waiting
（2010·吉林实验中学高三第二次模拟） 25. Hurry up, Paul! Your mother is sure ____ for us at the bus stoop
A. to be waiting B. to wait
C. of waiting D. of being waiting