This primitive form of vegeculture (cultivation of root and tree crops) may have been the economic tradition onto which the cultivation of summer rainfall cereal crops was grafted as it came into use...
bad weather前到底何时用定冠词，何时不用定冠词？有时见到 bad weather，有时又见到 the bad weather。如：Owing to the bad weather the match was cancelled. 由于天气不好，比赛取消了。A spokesman said that b...
Tom hasn‘t come to work since last Friday._____he have had an accident？ C. Could D. Might 答案是C，可是我不懂D项怎么不对。 顺便问一下：would have done 只用于虚拟语气中吗？还是有其他用法，谢谢能够...
下面的句子出自一本语法书的怎么翻译练习，要求注意句中 feel 的正确怎么翻译理解：1. The metal felt hot against my palms. 2. Don’t you feel hot so close to the fire? 3. Her head felt hot and she was achin...
网上看到的一句话：The top U.S. commander in Afghanistan had been out campaigning for more troops on top of the 21,000 that Obama had approved shortly after taking office.其中的 had been out campaignin...