He has finished his work. ___.
| A．I have finished so | B．So finished I |
| C．So can I | D．So have I |
As is reported，it is 100 years ________ Qinghua University was founded.
| A．when | B．before | C．after | D．since |
He decided that he would drive all the way home instead of________at a hotel for the night.
| A．putting down | B．putting off |
| C．putting on | D．putting up |
The young lady prefers dressing up as a stranger for a party to________ by others.
| A．be noticed | B．being noticed |
| C．having been noticed | D．have been noticed |
Some parents are just too protective. They want to ________ their kids from every kind of danger，real or imagined.
| A．spot | B．dismiss |
| C．shelter | D．distinguish |
The precious manuscripts were hopelessly________by long exposure in the cold，damp cellar.
| A．damaged | B．destroyed | C．harmed | D．ruined |