Some of the rubbish,such as food,

问题描述:

Some of the rubbish,such as food,
17.Some of the rubbish,such as food,paper and iron,_______ away over a long period of time.
A.rot B.rots C.is rotting D.are rotted
主语是单数?哪个是主语?
1个回答 分类:英语 2014-09-30

问题解答:

我来补答
Some of the rubbish是主语,such as food,paper and iron是插入语,over a long period of time是一般时间.
 
 
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