29. when Newton was sitting under an apple tree. A.Fell down an apple B.Down an apple fell C.An apple falls down D.Down fell an apple 【查看更多】

 

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           when Newton was sitting under an apple tree.

A.Fell down an apple

B.Down an apple fell

C.An apple falls down

D.Down fell an apple

 

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      when Newton was sitting under an apple tree.

A.Fell down an apple                     B.Down an apple fell

C.An apple falls down                    D.Down fell an apple

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