问题
选择题
________to strong sunlight for a long time will do harm to our skin.[ ]
A．Exposed
B．To expose
C．Exposing
D．Being exposed
答案
答案：D
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________to strong sunlight for a long time will do harm to our skin.[ ]
A．Exposed
B．To expose
C．Exposing
D．Being exposed
答案：D