...got the knack. 你一旦掌握这个技能就容易了。Once you're stuck in deep snow, it's difficult to lever yourself out. 你一旦陷进深雪中, 那就很难出来。Remember, once you've signed the contract, there is no turning back. 记住，一旦签了合同，就不可能反悔了。Onc...
...n— talk to my mom about a summer camp?是表示意愿吗？No one, ever, in his whole life, had written to him. Who would? He had no friends, no other relatives.这个would是表示将会吗？原型是will吗？"That's mine!" said Harry, trying to snatch it back."Who'd be w...
老师好!Now that my former headmaster,Mr.Page,is retiring,pupils of the school will be sending him a gift and an album with the signatures of all those who have contributed.Many former pupils will be attending a farewell dinner in his honour.本句中 be retiring 表示即将要退休（将来时...
... feed her children so well with so little money. 2. He must be out of his mind to say something like that.3. Tom is a very clever boy to work out the difficult problem in a short time. 以上三句话：1第一句因为有so，不能理解为条件状语。应该理解为不定式作原因状语（...
Find things in common: Maybe you like the same sports team or the same books. When it comes to making friends, you should always follow the easiest rule: Have fun! You may make some new friends before you know it.在该段话里you是你还是你们，有判断是你，你们的规则吗？两个it...
1. The structure of this animal's brain gives no______ that it is any more intelligent than others.A．indicationB．indexC．hintD．implication是选A还是C呢？网上有选A也有选C的。2. A child hears his mother tongue spoken from morning till night in its_____form.A．correc...
原句是This is the famed citationindex, that is to say the number of times a paper has been quoted elsewhere in the scientific literayure, the assumption being that an important paper will be cited more often than one of small account. one of后不是应该接名词复数吗？而...
Among the reasons, judging the fairness of elections is a monumental task in a nation like the United States,where all 50 states have differing laws and rules for voting and counting ballots.请教老师： 上句中出现的differing 和 different 究竟有何不同？ 如何从语法上，含义...
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...
...-126页： I
haven't heard from him since he lived in Shanghai.(自从他住在上海那段时间，我就没有接到过他的来信。)He
has written to me frequently since I was ill.(自从我上回生病期间，他就频频给我写信。)Since
he was at Fu...
...斯词典，发现volunteer释义如下：V-I
If you volunteer to do something, you offer to do it without 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...
She argues that social epidemics are driven in large part by the actions of a tiny minority of special individuals, often called influentials, who are unusually informed , persuasive , or well connected. 请问老师，often called influentials.这句话是插入语吗？插入语中的非谓语可...
...一本教材上看到这样一段话：After a lot of effort, it reopened in 2001. Hopefully it will be safe
for at least the next 300 years.在第二句话中用了the next 300 years，但是我了解到next year的时间基点是现在，而the next year的时间基点是过去或将来，那么Ho...