老师以上句子We will do it as he told us to后面为什么要用to?这个to好像用错了?下面从书上抄的类似的句子没有用to.You must do everything as I told you.以上第二个句子To tell the truth前面为什么要用to,是什么用法?
In the past year, however, software companies have developed tools that allow companies to “push” information directly out to consumers, transmitting marketing messages directly to targeted customers.请问:transmitting的逻辑主语是?
The problem is that catalysts and membranes have been expensive until recently.请问这里catalysts and membranes是最近才开始变贵,还是从以前到最近一直都是这么贵,还是说以前一直贵,但最近不贵了?还请教 until recently 是否有多种不同的用法?
John was given the same suitcase his father and grandfather ____ (take) with them to school.这里是不是可以填 took / had taken / would take三种?如果用 had taken 的话,会不会被理解为“已经被带去学校,而没带回来”,类似于had gone to 用法?谢谢