...的only是修饰谓语动词 may have become 还是修饰because of ?感觉从句意上理解应该更接近于后者,上面这个句子如果改为Living on the ground may have become an option in the first place,only because of one key event: the extinction of dinosaurs.句意会改变吗...
...All the world knows that pollution has become a serious problem. 全世界的人都知道污染已成了严重问题。既然是“全世界的人”,就应该是表示复数意义吧?那为什么句中的谓语动词用了单数knows呢?请问专家老师:the world表示“全世界的人...
...mate as opposed to the oceans, which cover70% of the planet and have 1,000 times the heat capacity of air, or the output of our sun, is scientifically disturbing.这里的 arguing 是动名词还是现在分词做状语啊?
...:insist可为及物也可为不及物动词,那为什么它在跟宾语从句时总是不跟on / upon 而是直接跟了that从句 ,此句可以写成:He insisted on / upon that he drive home after getting drunk last night , which made him caught and fined by the police .如果不可以那...
... His unit was lost and all records of him had been destroyed. 他所在的部队被击溃,他所有的档案材料被毁于战火。 请教关于lost 这个词,应该怎么理解?如果是动词 lose 的过去分词,那么这里就用的是被动式 the unit was
lost, 部队被打败。为...