摘要：( ) What does that sign mean? A. It means you must keep from the grass. B. It means you must keep off the grass. C. They mean you shouldn’t keep off the grass. D. They mean you should keep from the grass.

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What does that sign mean?________

A.
It means you must keep from the grass．
B.
It means you must keep off the grass．
C.
They mean you shouldn’t keep off the grass．
D.
They mean you should keep from the grass．

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What does that sign mean?________

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