100. The visitors _______ the castle are asked not to take photographs.
| A．of | B．to | C．in | D．into |
Once ___ light, the film will be damaged and get useless.
| A．exposed to |
| B．exposed in |
| C．exposing in |
| D．expose under |
The patient has been ___ by nurses night and day since the operation.
| A．attended to |
| B．tended to |
| C．attended on |
| D．tended on |
You can have your computer repaired by John, which is ___ he is ___.
| A．what; expert |
| B．where; expert in |
| C．what; expert in |
| D．that; expert |
After a series of researches, they finally ___ that the pollution was the leading factor contributing to the death of the creatures in the river.
| A．drew a conclusion |
| B．came a conclusion |
| C．arrived a conclusion |
| D．made the decision |
The evening party ___ cheers but everyone was still immersed in the happy atmosphere of it.
| A．concluded with |
| B．was started with |
| C．concluded from |
| D．started from |