The precious paintings were hopelessly______ by long exposure in the cold, damp garage.
| A．harmed | B．ruined | C．damaged | D．injured |
There are _____ to show that a new, different city is coming out of its dark past.
| A．signals | B．marks | C．signs | D．symbols |
As is reported, it is 100 years _____ Qinghua University was founded.
| A．when | B．before | C．after | D．since |
There is clear evidence _____ the most difficult feeling of all to interpret is bodily pain.
| A．what | B．if | C．how | D．that |
If you keep on your research, you'll _____ the result in time.
| A．look out | B．find out | C．carry out | D．pick out |
I called the airline to _____ my flight reservation a week ago.
| A．confirm | B．admit | C．appoint | D．obtain |