...了两个小时，写完了，是否表示为I have been writing a letter for 2 hours?如果表示我从过去到现在写信，没有写完，但我打算继续写下去，写满两个小时，是否也表示为I have been writing a letter for 2 hours?如果write为非终止性动词，有没有...
...of my refrigerator. Mike Curtin sees my arugula story all the time — but for
him, it’s more like 12 boxes of donated strawberries nearing their last days.
Curtin is CEO of DC Central Kitchen in Washington, D.C., which recovers foodand turns it into healthy meals. Last
year it recovered
more than...
...oes to two Russian tortoises and several smaller creatures that went along forthe ride.On September 14, 1968, the Soviet space program sent two tortoises — along with some flies and worms — into space for a trip around the moon. NASA calls it "the first successful circumlunar mission carried...
... a somewhat unlikely place:
online. Many would say the Internet is a place for people who have given up on
the traditional postal service, but Paulo’s hunch (直觉) paid off.Today his hobby has developed into the website
postcrossing.com, a social network that has grown to 575, 217 registered use...
The present subjunctive form of the verb to be is invariably be for all persons, and the past subjunctive form of the verb to be is invariably were. In all other verbs the subjunctive form varies from the indicative only in that， in the present tense， the third person singular ending is lost.
But I think the conversation never settled down so comfortably as when it turned to the details of the trade which was the other side of the art we practised. When we had done discussing the merits of the latest book, it was natural to wonder how many copies had been sold, what advance the author ha...
Love means having a want forthe person I love without having a need for that person in order to be complete.译文：爱意味着对于我所爱的人，我需要他，而不是没他不行。without 后半句怎么理解这个翻译，字面意思是: 没有一种为了完整而必须要有他的...
...musician in his family. Music was his true passion, though he had never performed outside the family.Melissa, his daughter, felt it more than worthwhile to save his music, to which she fell asleep each night when she was young. She thought about hiring a professional pianist to work with her father....
...虚拟句：He would not have gotten such good grades if it had not been forthe teacher's help. （if it...help=otherwise改写）我的疑问是为什么改写的句子出现了一个not, 即He would not中的not, 书上说该句型中，改写than的话，要采用否定not形式...
1.Before I came downstairs I had prepared myself very carefully for what I must say.按名词性关系分句理解：Before I came downstairs I had prepared myself very carefully forthe thing that I must say.2.I don't know what he is doing/said.按名词性关系分句理解：I don't know the thin...