To read a novel before going to bed seems to me a rule ____.
| A．to never break | B．never to have broken |
| C．never to be breaking | D．never to be broken |
Most disaster experts believe there is the potential ______ things could get a lot worse.
| A．what | B． where | C．which | D．that |
It ______ to me that I should go to attend a meeting when I was about to go home．
| A．occurred | B．struck | C．happened | D．reminded |
Almost all of his time ______ experiments, he has no time to visit his parents.
| A．devoted to do | B．devoting to doing | C．devoted to doing | D．is devoted to doing |
No government can justly claim authority ______ it is based on the will of the people．
| A．unless | B．after | C．so that | D．while |
Tom ______ with his grandmother for eight years，but now he is living by himself.
| A．lives | B．1ived | C．has lived | D．has been living |