题文
Once ___ light, the film will be damaged and get useless.
| A．exposed to |
| B．exposed in |
| C．exposing in |
| D．expose under |
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Once ___ light, the film will be damaged and get useless.
| A．exposed to |
| B．exposed in |
| C．exposing in |
| D．expose under |
试题篮
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