_______ 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.

1. A.
   With
2. B.
   At
3. C.
   On
4. D.
   In

_______ 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

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

　　A．With

　　B．At

　　C．On

　　D．In

　　A．With

　　B．At

　　C．On

　　D．In