书
Match pairs · A1 · difficulty 2
狗
Match pairs · A1 · difficulty 2
鱼
Match pairs · A1 · difficulty 2
书
Multiple choice · A1 · difficulty 1
石头
Multiple choice · A1 · difficulty 1
鸟
Word builder · A1 · difficulty 2
鱼
Multiple choice · A1 · difficulty 1
沙子
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汽车
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苹果
Multiple choice · A1 · difficulty 1
叶子
Multiple choice · A1 · difficulty 1
石头
Match pairs · A1 · difficulty 2
水
Word builder · A1 · difficulty 2
雪
Match pairs · A1 · difficulty 2
地球
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火
Word builder · A1 · difficulty 2
电脑
Word builder · A1 · difficulty 2
月亮
Match pairs · A1 · difficulty 2