...可以用for时间表示实际持续时间（截止现在），但不能用from...to... 如果谓语改用过去进行时，则可以用from...to...The worker has been fixing the five chairs for 2 hours.The worker was fixing the five chairs from 9 a.m. to 11 a.m.（1）The worker has been fixi...
years 可以构成两个词组：1. Foryears: I haven't been there foryears. 2. Over the years: The carved ceilings have suffered woodworm attack over the years. 这两个词组意思差不多，都是“多年来”的意思，可是 foryears 前是零冠词而 over the years ...
The computer center ，___（open）last year, is very popular among the students in this school. 因为这个非限定从句有一个具体的时间作为状语，所以我认为它是强调动作，而不是现在的状态。所以我认为最佳的答案是having been opened，opened有点...
...t animals are protected here. Two
years ago, it was reported that an Asian student had been deported for killing
wild ducks.新西兰气候温和，冬天不太冷，夏天又不太热。由于是岛国，新西兰全年湿润。有时，一片云彩一片雨。因此，若是外出，最好带上...
The next Olympic Games are in two years, ________ I will be a university student.答案是 by which time。我想问：可以用 in which 吗？which 作关系代词指代先行词 two years. I will be a university student in which(two years).
...nbsp;for the powerful, but they are far from guaranteed.我不懂这句话 The benefits are for the powerful, but they are far from guaranteed.还有 far from 一般是起否定作用吗？
...：He couldn’t follow the
lecture. 他听不懂这次讲课。About 300 students attended
the lecture. 太约有300 学生参加听演讲（课）。(2) 表示发表演讲、进行讲座、开设讲座，通常搭配动词deliver, give,
present等。如：Mr Smith is giving a lecture
in our school...
...r house and borrowed a necklace of yours修饰one afternoon】？对比the students of Class Two who passed the examination Class Two 修饰 students 而后被【who passed the examination】修饰，就是前面的介词定语修饰后面的定语从句修饰的先行词。我这样理解对...
...摘抄的一句话，请看：For more than 10
years, suicide rates among students aged 10 and up in the U.S. have been on the
rise. 10多年来，美国10岁及以上学生的自杀率一直在上升。请问这里的up是什么词性？省略了什么成份？谢谢老师！
...or personal developments, but depicted is unchanging the same milk flowing from the same jug, the waves on the sea with exactly the same formation unbroken, the smile and the face which have not altered.One might be tempted to say that paintings preserve a moment. Yet on reflection this is obviously...
...ng about an old friend. 'That's Sebastian. You forget that I was a medical
student once upon a time.'这是新概念3-24课：我有较多疑问：1）第一句中的how起什么语法作用？含义呢？感觉去掉这个how也可以吗？2）when
he reads in the final pages of the novel that the ...
...动词，而A的第一个词却是名词？22.
To complete the programme, students are required to _________.A.
development tests B.
participate in pair meetingsC.
welcome new students D.
work on weekly videos附原题全文：The
Language Exchange Programme allows students in pairs to communicate i...
...r story. It’s jaw-dropping how much perfectly good food is thrown away—from “ugly” (but quite eatable) vegetables rejected by grocers to large amounts of uneaten dishes thrown into restaurant garbage cans.Producing food that no one eats wastes the water, fuel, and other resources used to gro...