251. The weather turned to be very bad. Very soon the wind had the snow into drifts. A. c

问题补充：

251. The weather turned to be very bad. Very soon the wind had the snow into drifts.

A. collected

B. gathered

C. piled

D. Placed

答案：

A. collected

B. gathered

(答案→)C. piled

D. Placed

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