He made a d( ) that he would join the lion football teamBe careful with these k( ).You might cut yourself.You should be in good c( ) of your own business.根据句意及首字母提示完成单词,并翻译句子~

He made a d( ) that he would join the lion football team
Be careful with these k( ).You might cut yourself.
You should be in good c( ) of your own business.
根据句意及首字母提示完成单词,并翻译句子~