His new novel is ________his own experience when he was studying in Harvard University.
| A．based in | B．basing in | C．basing on | D．based on |
She ______ his number in the phone book to make sure that she had got it right.
| A．looked up | B．looked for | C．picked out | D．picked up |
I think physics is ________ and difficult ________.
| A．confused; to learn | B．confusing; to be learned |
| C．confused; to learn it | D．confusing; to learn |
An oil tanker hit a rock ______ the northwest coast of Alaska.
| A．on | B．in | C．off | D．to |
. Although he has taken a lot of medicine, his health _______ poor.
| A．proves | B．remains | C．continues | D．becomes |
_______ out from his company, he had to find a new job.
| A．Be kicked | B．Kick | C．Kicked | D．Having kicked |