1. I knew the thing (      ).

  A. by accident                   B. in accident

  C. with accident                 D. at accident

2. So they (      ) the bad news gently —— her husband was dead.

  A. broke                          B. let on

  C. murmured               D. muttered

3. She had changed so much over the years that I hardly (      ) her.

  A. recreated                B. realized

  C. recognized              D. reacted

4. My grandmother was physically (      ) after her tears.

  A. tired                     B. exhausted

  C. fatigued                  D. tire

5. The new library is equipped with various protections (      ) fire.

  A. from               B. of

  C. under              D. against

6. He gave a good (      ) in the “ Sydney 2000",defeating every opponent in contests.

  A. amount          B. announce

  C. arouse            D. account

7. The old professor (      ) himself to the cause of education.

  A. influenced              B. was devoided

  C. devolved on             D. devoted

8. The meeting is (      )a proposal to construct a new swimming pool.

  A. in connection with                 B. in view of