Look at his ________ look．It seems ________ as if he had met a tiger．

1. A.
   frightened; frightening
2. B.
   frightening; frightened
3. C.
   frightened; frightened
4. D.
   frightening; frightening

Look at his ________  look．It seems as if he had met a _________ tiger．

A． frightened, frightening                               B． frightening, frightened

C． frightened, frightened                                D． frightening, frightening

Look at his_____ look. It seems as if he had met a_____ tiger.

    A．frightened, frightening                  B．frightening , frightened

    C．frightened, frightened                   D．frightening , frightening