题目内容
根据句意，用所给单词或短语的适当形式填空。（每词或短语只限使用一次）
safe, knife, care, they, look out
safe, knife, care, they, look out
1.Don’t worry! The students can protect __________ when they are in danger.
2.___________ when you cross the street.
3.He made many mistakes in his homework because he was very __________.
4.We use __________ to cut things.
5.Everyone knows that __________ is the most important.
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