【简答题】Paul is never quiet ,he can-t stop__ t _________.
【单选题】下列旅游事故不属于旅游安全事故的是( _______ )。
【简答题】项目管理的铁三角的三个边分别代表范围、成本和 。
【单选题】He’s never been to the Great Wall, _______?
【单选题】He's never been to Japan, _____? [ ]
【单选题】--He’s never late for school, __________? --Yes, he is.
【单选题】从a粒子散射实验结果出发推出的下述结论中正确的是 ( )
【单选题】He never tells a lie, ______ he?
【单选题】He's never been to a foreign country, ________? [ ]
【单选题】He's never late for class, ________? [ ]