____ there a teacher?  ---- No, ____.

—Where     the twin       , Do you know?   —Jurong.

There ____ a terrible accident then, ____ three passengers were killed and twenty were injured as well.

—Can you get me some of the novels ?—By all means. All but one of them ____ in our company.

--Why does the lake smell terrible?    ---Because large quantities of water ______.