a batch of...的意思是“一批”，它用作主语时，谓语动词用单数还是用复数呢？如：A whole batch of original drawings _____(be) on sale. 如果是 this batch of…作主语呢？谓语动词用单数还是用复数呢？如：This batch of young men ______ (be) interes...
...句应该用late，即by the late 1600s 吗？2) Americans 是 dating back 的逻辑主语吗？ 这里的dating back是动名词还是现在分词呢？ 如何判断的？3) George Washington enjoyed 是否应该为George Washington who enjoyed ?
...was being tested for a driving licence for the third time. I had been asked to drive in heavy traffic and had done so successfully. After having been instructed to drive out of town, I began to acquire confidence. Sure t...
名词性从句里面，有主语从句，宾语从句以及表语从句，这些陈述句应该有一般问句形式，下列表述正确与否,如果不正确，应该如何表达一：宾语从句1. They knew that he is a child. 变为一般问句：Did they know that he is a child?2. He asked wh...
...mething.2.If she could sew, she would have made a shirt我的问题是：1.从句为什么可以使用与现在事实相反呢，我觉得从句与过去事实相反更容易理解一些，即if I had been you
和 if she could
have sewed?2.是不是因为从句表示的是一种状态，而状态可...
In a formal football match, each team can have three players to _____ their teammates when necessary．
A. replace B. substitute C. represent D. exchange
问：这题我知道选B。但我很郁闷，substitute 不是要与 with 或其他介词连用吗？
请问表示“心脏病”的 heart attack 可数吗？见到过下面这样的用法：He has three heart attacks a day. 他心脏病一天发作3次。He died of a heart attack during a routine operation. 他在一次普通手术中死于心脏病。从上面的句子来看，heart attack 应该...
大家都说could, might, would, should 为 can, may, will,
shall 的过去式，但在很多时候并不表过去，而是“更加委婉”，如you can't / couldn't
criticize him. 你不该批评他。can/could i help you? 有什么能帮你的。请问我想表达“过去你不该批评他”...