The fire alarm last night alarmed the inhabitants with a(n)　　    sound.

A. alarming　　　　 B. frightened　　　　 C. afraid　　　　    D. alarmed

A. alarming　　　　 B. frightened　　　　 C. afraid　　　　    D. alarmed

You should sound the fire alarm ________ fire.

1. A.
   in the case of
2. B.
   in case of
3. C.
   in that case of
4. D.
   in case

You should sound the fire alarm ________ fire.

[　　]

 —Were you frightened at the sound of the fire alarm?

  —No,everyone stayed____and obeyed the police.

  A.calm        B.quiet           C.silent           D.still