初中学生丁某,逃到某营业网吧玩游戏,结果被他人敲诈50元钱;第二天丁某以正当防卫为由,找了几个人把敲诈者打成重伤。下列对丁某行为的评价,正确的是( )①丁某既没有珍惜受教育的权利,也没有认真履行受教育的义务②丁某违反了未成年人禁止进入营业性网吧的规定③丁某的行为属于正当防卫,可以不负法律责任④丁某缺乏自我保护意识,而且侵害了他人的生命健康权
–Dave, we will leave in10 minutes. Are you ready? – No, I ________ our guide book and towels yet.
–What does she usually use the computer _________? – She usually uses it to chat with her friends.
The factory _________ since two years ago.
–Where is your father? – He _________ Australia and he_________ Sydney for two weeks.
– How long has Robot _________ ? – Since2004.