It is mostly called tea house in provinces like Guangdong, Guangxi and Hainan, and/while it is called tea pavilion in Beijing and Tianjin of North China. 请问一下，这个句子用哪个呢，应该怎么准确的使用这两个连词。
The quality of teaching can make a huge difference to students’ academic performance. and therefore, parents prefer to choose prestigious schools for children.请问老师，这个句子and therefore前面应该用逗号吗？还是说应该用句号 ，同时And要大写？
As we have already noted, with agriculture and sedentism came diets too closely centered on a single crop, such as wheat in the Old World and maize in the New, and although sedentism encouraged population growth, such growth seems to have been that of a “forced” population with a considerably di...
There are _____ pens ______pencils in the box.A not, and B no, and C no, or1）not否定的是动词，那么pens和pencils是并列的，A选项是否可以？2）B、C选项区别在于用or还是and。这个答案应该选哪个？其他两个选项错在哪里？
It was first believed that he got lost in a storm and had died in the cold weather.
看过老师们的相关解答，and前后两个动词时态可以不一致，只要复合逻辑。
这里got lost 和had died是不是时态错了?应该是先迷失lost，然后死掉die，那不是应该had lost...
A century is, geologically speaking, a very short period of time. And so is a thousand years.上句中的And so is ...中so 是什么用法和含义? And so is a thousand years 主语省略了吗？so表示强调吗？
Most of the patients are elderly people with chronic articular diseases, like arthritis and ocular problems in particular. 大多数患者是患有慢性关节疾病的老年人，特别是关节炎和眼部问题。请问这句话里面and是并列的哪两个成分？
...dent Assessment (PISA), a triennial test of 15-year-olds around the world, and the Trends in International Mathematics and Science Study, which measures ten- and 14-year-olds.ten- and 14-year-olds.是"10-14岁的孩子"还是"10和14岁的孩子"？谢谢老师。
That “old” would vary between nations makes sense, especially between more and less developed countries, with differences in education, death rates, access to health care and life expectancy.大概的成分分析，不太理解后边especially和between and为什么一起搭配?