The bus hit against a tree in the fog and ______to the deep valley，with ten passengers killed and twenty wounded.

    A. down did it roll                     B. down rolled it      

    C. it down rolled                           D. down it rolled

The bus hit against a tree in the fog and ______to the deep valley，with ten passengers killed and twenty wounded.

1. A.
   down did it roll
2. B.
   down rolled it
3. C.
   it down rolled
4. D.
   down it rolled

 The bus hit against a tree in the fog and            to the deep valley，with ten passengers killed 

   and twenty wounded.

   A. down did it roll           B. down rolled it            C. it down rolled    D. down it rolled

The bus hit against a tree in the fog and________to the deep valley，with ten passengers killed and twenty wounded.

A．down did it roll　　　 B．down rolled it

C．it down rolled　　　      D．down it rolled

The bus hit against a tree in the fog and ______to the deep valley，with ten passengers killed and twenty wounded.