A. The wind is blowing gently. The leaves are dancing in the wind softly. The birds are flying happily.
B. It is raining heavily. Charlie and his father have no umbrella They are running quickly.
C. The wind is blowing gently. The children are having a picnic (野餐）happily.
D. It is raining heavily. The wind is blowing strongly. Tim can't hold his umbrella.
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