问题描述：
1.Autumn coming,down_____.A.do the leaves fall B.the leaves will fall C.fall the leaves D.will
为什么不选D
Autumn coming,down______
A.do the leaves fall B.the leaves fall C.falling the leaves D.fall the leaves
为什么不选D
Autumn coming,down______
A.do the leaves fall B.the leaves fall C.falling the leaves D.fall the leaves
问题解答：
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