He should have been studying instead of goofing around last night.他昨晚应该念书,不应该混.Why don't you just admit you're goofing off?偷了懒就偷了赖,还不爽爽快快承认?When the secretaries are goofing off , you know the place has dry rot....
Objectives To examine the reliability and validity of Intellectual Achievement Responsibility ( IAR ) Ques - tionaire.目的检测智力成就责任问卷 ( IAR ) 的信度和效度.It was for the police to assess the validity or otherwise of the evidence....