The staff (are urging / urged / were urging) employers to invest more money in training. (urge) 请问老师,括弧里的动词时态都对吗?为什么?除此之外,还有哪些时态可以用。如何判断哪个时态是最恰当的?非常感谢。
在朗文六版上有这么个例句,I have known Barbara for years. Since we were
babies, actually. 学生认为since作为一个从属连词应该是引导一个时间状语从句,该句中Since前面的句号应该改成逗号,S改小写s。请问对吗?该句中从属连词引导一个...