A： Roberto and Sophie areon hoilday ，are‘t they？Where have they gone ？B：To Florida ，again . A ：How many times ____ they ____there? B: Thisistheir third visit.第二组填空答案填have been 我不明白为什么，have been 的意思不是去了已经回来了么。
...t.[25]In general, the first two branches to be established remain themostpopular among students.15-25均是时态的意义，若改成关系分句用的是过去时。上面的例子表明：各种解释意义都有，有时还有可能两种意义均可（例11和13），只是以时态意义的...
...ernAmericawas born onthe road, behind a wheel. The car shaped some of themost lasting aspects of American culture：the roadside diner, the billboard, the motel, even the hamburger. Formost of the last century, the car represented what it meant to be American—going forward at high speed to find...
...t that C. of that D. that what2. We all knowthe truth _____ there are air, water and sunlight there are living things.A. where B. wherever C. that D. that wherever第一题选D，第二题也选D。我的问题是第一题直接用what不行吗？what本身可以...
...rkers,) in particular, are dissatisfied with the government.Even (Bob) was there.We bough (some beer) as well. She merely forgot to give her husband (a kiss).He favours particularly (the young women).She is charming only to her (wealthy) clients.我的问题是：焦点下加状语也是属于...
Is comprehensionthe same whether a person reads a text
onscreen or on paper? And are listening
to and viewing content as effective as reading the written word when covering
the same material? The answers to both questions are often “no.” The
reasons relate to a variety of factors, including red...
While Europe’s monarchies will no doubt be smart enough to survive for some time to come, it isthe British royals who have most to fear from the Spanish example."have to"本身就是必须的意思了，再加上most，“最必须”的意思，不太理解
...肤的烧伤层分为一度烧伤、二度烧伤和三度烧伤。译文：There are three types of burns. Burns are called
first , second or third degree burns ,depending on which layers of the skin are
burned.问：该句中明明是“和”的意思，也不是否定句，为什么用了“or”...
... a finite verb) that together have a particular meaning and that typically form part of a sentence. 'the green car' and 'on friday morning' are phrases.从这段解释我的判断是 名词词组、介词词组属于phrase，动词词组不属于phrase。我不是很确定。所以想请教一下各...
... won't matter. Suppose I'm beautiful. I'd always be haunted by the feeling that you had been taking a chance on just that, and that kind of love would disgust me. Suppose I'm plain (and you must admit that thisis more likely). Then I'd always fear that you were going on writing ...
There are many activities for which prophylactic knee braces are used as a comprehensive safety measure.请问老师：for which prophylactic knee braces are used as a comprehensive safety measure 是定语从句修饰 activities 吗？
...emphasize once more that what has been said here in a somewhat categorical form does not claim to mean more than the personal opinion of a man, which is founded uponnothing but his own personal experience, which he has fathered as a student and as a teacher.I 主语wish 谓语to emphasize 不定式...
...本就没有被动式）PEU在讲述“verb+ object + infinitive
or -ing form”结构的被动式时也明确指出：Passive forms of watch and notice arenot used in this way.CGOEL在谈到适用“Object + bare infinitive
complementation”结构的动词时，也将watch归入不可用被动语...