请分析句子成分，主要是逗号以后部分:It took him about ten minutes to make the trip each time, a delay sufficiently irritating that Obama’s assistant expended considerable effort to avoid it.
经济学人中的一个句子：Some can veto the mates their families suggest; others choose their own, subject to a parental veto. 一些人可以否决家人提议的婚配对象，也有的人自己选择对象，但父母保留否决权。疑问：根据句义，subject 前不应该加上 and ...
Indeed, the most striking thing about the students to Lexington—in effect, a visitor from the 1990s—was how frank and unembarrassable they seemed. 老师好，请问双破折号里的内容怎么理解呀？
老师好，Sales of wines declined in the late 1980s, but they began to grow again after the 1991 report that linked moderate consumption of alcohol, and particularly of red wine, with a reduced risk of heart disease.请问老师，划线处是同位语吗？如果是，为什么不加consumption...
These little rascals would eat through a ship’s bottom and very soon sink it.这里的through理解为副词和介词都说得通？His curly head was stuffed quite full with the keel.过去分词可以接形容词短语吗？ just in the same way as your father does to his boat when she lets...
They belonged to a family by the name of Northup, one of whom, removing to the State of New-York, settled at Hoosic, in Rensselaer county. whom和removing不懂用法。
In the 100-yard relay our team impressed the crowd, with each ____ several seconds off her own best time.A. of the members shavingB. of the members had shavedC. of the members was shavingD. who had been shavingE. who shaved