题目内容
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 |
【答案】
D
【解析】略
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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 |