...ens of companies across the country buying discarded plastic soda bottles, and turning them into fence posts, paint brushes, etc.中buying and turning 是伴随状语吗，可是buying and turning 的逻辑主语不是句子主语而是句子宾语companies吧，所以这是什么状语呢，想不...
新三56课第二段有这么一个句子：Sometimes we go upstream to a favourite backwater，sometimes we have our party at the boathouse，which...。请问老师这里为什么可以用逗号连接2个句子？如果要是并列的话，不应该是“句1，句2 and 句3”吗？
...t, the advertisement could be temporarily successful before it turns the brand of the commodity in question notorious and, more disastrously, ruins the reputation of the eminent person thereafter. 请问文中的in question和notorious怎么理解？感觉这3个单词放在一起很奇怪。
For males under forty，ten seconds is the typical reaction time；young men can demonstrate full erection in from 3 to 5 seconds of sexual stimulation.The reaction time is doubled or tripled for men in their fifties and above.刘老师，这里的 in from 如何去理解 in 这个词？
Enrollment
topped160,000, and the unprecedented success of the experiment inspired other
schools, many of them top tier
universities, to mount their own offerings.今天在文章里读到这个句子，many
of them top tier universities这里的结构不是很明白，还望老师们不吝赐教，...
...牛津词典)4. ...check out books for students, log the returned books, and sort them by 【category】...5. Sort them by name/color.6. Sort them by publish date.谢谢您！
...However, there were plenty of species the size of cows, sheep, small dogs and even those the size of a cat or chicken.4.He is one the same ambition as me.请教曹老师：这几个句子的宾语和表语后面都跟着名词词组（句中加粗的部分），是名词作后置定语（看成是...
...家庭》：She had a girl on who, at 16, found out that she was adopted and felt betrayed, ran away, and became a stripper, and not the heart-of-gold kind, the by-the-airport kind.请问这里的on是什么意思？百思不得其解，不知道是字幕有误还是有另外的意思。
...ially you。还是不完整举例的并列？我听曹老师讲过，没有and的并列暗示着不完整举例。如果是并列，那么为什么前面还有个否定副词not?2. This means that a DNA database may have a lot of data from some
regions and not others, so a person's test results may ...
...间。是这样吗？ 2. Lee _____(learn) English for several years, and at last he has mastered the irregular verbs. 请教老师，唯一答案是 has been learning。我的疑惑是可否用has learned ? 谢谢老师。
It’s difficult writing a novel on a country that is
so extremely divided on class, gender and urban-rural lines.这句中的writing, 能否理解为作者正在写这部小说？还是和不定式to
write一样，仅能理解为动词的一般意义？