阅读短文，根据短文内容补全所给的五个残缺的句子。每空只能填一词。
We often see many animals. But do you know how these animals say things?
Let's see a rabbit. When a rabbit sees something dangerous, it runs away at once. When it runs, its tail
moves up and down. When others see this, they runs quickly, too. Many other animals use this kind of
language. When a bee finds some food, it goes back to its home. It can't tell the other bees where the
food is by speaking to them, but it can dance. This may tell the other bees where the food is .
Some animals say things by making sounds like man does. For example, a dog barks when a stranger
comes close. Some birds can make several different sounds, each sound has its own meaning. In a word,
every animal has its own language.
1. When a rabbit sees _____ dangerous, it runs away at once.
2. The rabbit move their _____ to tell others when they are in danger.
3. The bees _____ to tell the other bees where the food is.
4. Some animals can _____ things by making sounds like man does.
5. When a stranger comes _____ to the house, a dog barks.

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