Before
he had entered the institute, Jim served in the army.为什么当before使用过去完成时的时候，主句为什么不用过去完成时呢？主句的动作显然发生在before从句动作之前，按理主句应该用过去完成时呀！？所以我的疑问是我提问的句子，bef...
...ut being forced to do
it. 主动要求做Aunt
Mary volunteered to clean up the kitchen. 玛丽姨妈主动要求打扫厨房。He
volunteered for the army in 1939. 他在1939年自愿参军。柯林斯词典将volunteer列为不及物动词，那么这里的volunteer to do sth -不定式to
do sth是...
...When
the woman shook her head in bewilderment, Harry went on to explain that
'myrolite' was a hard, amber-like substance which could be used to remove
freckles. This explanation evidently conveyed something to the woman who
searched shelf after shelf. She produced all sorts of weird concoctions, ...
...ons in size, shape, chemistry, conduction speed, excitation threshold, and the like as had been demonstrated in nerve cells remained negligible in significance for any possible correlation with the manifold dimensions of mental experience.这句话书里面将such as的组合解释为such thing as...
...以的，do 有宾语时有时也是可以的。请看如下外刊例句：They all,
therefore, gave me advice as to when to marry, whom to marry, why to marry and how to marry. 我认为这个句子是完全正确的，在这种语境和结构中，而且只能这样用。外刊类似的例句很...
...如下面的句子肯定是不定式作表语：Her work is to look after the children. 她的工作是照顾这些孩子。My aim is to start up my own company. 我的目标是开办一家我自己的公司。但下面的句子也属于不定式作表语吗？Such people are to be pitied. 这种人...
有这样一个句子：
The child must catch a cold just as we were about to go out for the holiday.
问题一：如何理解must catch a cold？我把它理解成“必须感冒”，老师说这个must应理解成“偏偏感冒”，当然老师的理解更符合实际，...
①If he had not been promoted,he would never have remained with the company. ②If he had not been promoted,he would never remain with the company. 这两句的意思有区别吗？
是不是第一句的 主句用的是would have done 代表的意思是 如果他没有被提升，他就...
...females in co-operatively breeding species (those in which, for lack of other opportunities, several females collaborate to raise the young of only one of them) are more ornamented than those in which all adult females have a chance of breeding. In this case it is females who are...
In 1999 the United Nations Conference on Trade and Development concluded that for each dollar developing countries receive in aid they lose up to $14 just because of trade barriers imposed on the export of their manufactured goods.
这是专八阅读中的一句话。that从句的翻译...
...ping dog jumped up scared out of its wits, and barked itself crazy at the turmoil.1）a sleeping dog jumped up scared out of its wits： 请分析2个动作jumped up scared这一块，哪一个是谓语？非谓语是什么？起什么语法作用？2）barked itself crazy at the turmoil. 这...
...ce that Standard Oil had been using unfair and
illegal methods to destroy other oil companies. "There is increased evidence that it helps shorten the duration of
the common cold sometimes even by two to three days.我觉得：that后面的内容是要去收集 evidence（证据）来证明的东西...
1) We
can ditch the dead guy and just go our separate ways.这个go是及物动词吗？2) I
live in a place that I have to go 5 miles to get to work.这个go是及物动词吗？5
miles是状语还是宾语？3) A little reminder of
why you are doing something will go a long way in helping you ov...
1）Do you
have any plans for the weekend ?2）My school
has fewer weeks off for the summer holiday than Mike's.3）I have one
hour for my hobbies at most every week.4）I have one
hour for playing computer games every week.5）We have an
hour for homework. (比较We have an hour of homwork.)上面...