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a dark night, they took the sick boy to the hospital. And after an hour’s curing

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a dark night, they took the sick boy to the hospital. And after an hour’s curing

_______ a dark night, they took the sick boy to the hospital. And after an hour’s curing, the boy was out of danger very soon.

A.With

B.At

C.On

D.In

试题答案

C