問題詳情

    On a raging winter evening, Joe saw an elderly lady stranded on the highway roadside. He stopped to help change her flat tire. Being grateful, the lady would like to pay him for what he 31 for her. 32 worried sick about his unemployment, Joe didn’t give the money a thought and told the lady to return his help by helping someone else.     Later, stopping by a restaurant, the lady noticed the waitress 33 on her was heavily pregnant. Speculating that the waitress might need money desperately, she left her a generous tip that was almost fifty times 34 as the cost of the meal. The elderly lady didn’t know that the waitress was Joe’s wife and that by helping the waitress, she was actually 35 Joe.
31.
(A) has done
(B) once did
(C) had just done
(D) had been doing

參考答案

答案：B
難度：非常困難0
統計：A(0),B(1),C(0),D(0),E(0)

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