【单选题】They have never been to New York, _______? [ ]
【简答题】阅读理解 Customs are social habits. They have been handed down through generations among groups, social classes, etc. Customs can be described as ways of doing things. They are particularly strong in soc...
【单选题】企业发放的生产、管理部门人员工资,应当()。
【单选题】现在市场上很多款的汽车有这样的的智能功能:司机在驾驶室内说“启动引擎”,汽车立即开始发动,这里用到了()
【单选题】— Where are the twins? — I think they _____ Hangzhou. They _____ there twice before. [ ]
A.
have been to; has gone to
B.
have gone to; have been
C.
have been to; have been to
D.
have gone to; have gone
【单选题】They must have been here the day before yesterday,____?
【单选题】现在市场上很多新款的汽车有这样的智能功能:司机坐在驾驶室内说“启动引擎”,汽车 立即开始发动。这里用到了