Whoever has ridden on a railway train knows how rapidly another train flashes by when it is traveling ________ the opposite direction.

A．in　 　　　　　　 B．under

C．to　 　　　　　　　　 D．with

Anyone who has ridden on a railway train knows how rapidly another train flashes by when it is traveling    .
A. in the same direction         B. in the opposite direction   
C. toward the opposite direction        D. against the same direction

 “Have you seen _______ new bike? I put it here just now.” “Is it _______ white one? A boy has ridden it away.”

A. a; a     B. a; the

C. the; the      D. the; a

________ has ridden on a railway train knows how ________ another train flashes by when it is traveling in the opposite direction．

1. A.
   Anyone who; rapid
2. B.
   Whoever; rapidly
3. C.
   Anything that; rapid
4. D.
   Whatever; rapidly