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Some of the rubbish, such as wood, paper and iron, _____ away over a long period of time.

A. rot
B. are rotted
C. is rotting
D. rots
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科目：高中英語 來源：湖南省模擬題 題型：單選題

Some of the rubbish, such as wood, paper and iron, _____ away over a long period of time.
[     ]
A. rot
B. are rotted
C. is rotting
D. rots

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