You all like your English teacher? — Yeah, she devotes herself ____ to teaching and it earns her a good reputation [ ]

The National Education Department says again school safety has set off alarm bells with frequent serious accidents _____ students got injured or even killed. [ ]

下列句子中，加点的词语使用不恰当的一项是

1—Have a nice day to you.—＿＿＿

. When he fellover his own feet, his left ankle was sprained, his right hand became ______and his nose______.