A surgeowho has worked 40 hours ia row without sleep ___________( )
·castill provide quality medical care
·will remaialert because he is used to it
·may ignore the potential risk of insufficient sleep
·should be fired if he continues the medical operation
出自:华北水利水电大学英语

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块