一、在状语从句中,遵循“主将从现”的原则,但发现有些例句并不遵从此规则:①I had been looking for the book for two days before I found it at last.②We had scarcely left our school when the rain began.③By the time I got to the station,the train had already gone....
Tony wanted to know ________.A. what had Father Christmas put in his stocking B. when Father Christmas had put in his stocking C. what Father Christmas had put in his stocking D. where Father Christmas had put in his stocking这里我选的 D,为何是错的?
...S:Building maintenance workers,其中building maintenance是名词作定语修饰workersP:were circulating,又助动词的be和动词circulate构成动词词组谓语,同时加入了过去进行时时态。Ad:through the office place是介词短语作地点状语。Ad:ensuring power had ...