读一读，填一填。One duck (鸭子) has a mouth (嘴), two eyes (眼睛), two legs (腿).
Two ducks have two mouths, four eyes, four legs.
Three ducks have three mouths, six eyes, six legs.
Four ducks have _____________ mouths, _____________ eyes, _____________ legs.
试题答案
four, eight, eight
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