倒装句和完成时的表达although there are no exams,no tests,never in my life have i worked so hard in a class.为什么用完成时have i worked,不用did i work?

来源:学生作业帮助网 编辑:作业帮 时间:2024/08/09 15:12:50
xՑQJ@X zլ&6!4$"4"ASP$Zh.YoᴑA|aa mf|@gbR\țD.<:8M Cp1u=h:lEږOuZp:q]eola~qTCtaPM3m;k!ŭ5j Ť_aE4LE \1d>f}1xxX;l1R^(ˢjMb4ݧrX\O64qZҴ2hbrA6iV~