Question

She ________ at the thought of the ________ tiger in the zoo.

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

Answer 1

B
表示人很害怕，be frightened相当于be afraid; frightening表示“令人感到害怕的”。