safe，knife，care，they，fall off
（1）Don't worry!The students can protectthemselvesthemselves when they are in danger．
（2）Leavesfall offfall off the trees in autumn．
（3）He made many mistakes in his homework because he was verycarelesscareless．
（4）We useknivesknives to cut things．
（5）Everyone knows thatsafetysafety is the most important．
【考点】简单句．
【答案】themselves；fall off；careless；knives；safety
【解答】
【点评】
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发布：2024/4/20 14:35:0组卷：6引用：1难度：0.5
