what “if not” means in the following sentence“And this learning process took years, if not most of one’s lifetime.
Highland barley is used to fire pottery，leading to an unusual chemical reaction with the clay from local mountains.请问这里的with短语是做什么成分，怎么翻译呢？
曹老师，您好！请帮忙看看这道题：While the moon was rising, it ________ (shine) bright. it was so beautiful.答案给的是 shone, 为什么不是was shining? 谢谢您！！！这是一道初二的题。
When they arrived, they found the ship had been sunk.请问这个句子对吗？其中的 been 是不是多余的？如果有 been，这个 sunk 就应该是形容词表示“沉没”，这也对吗？
During the holiday we may do what we like.这个句子对不对？
...ology, I like physics _______. (全国卷)A. better B. best C. the better D. very well【解析】答案为B。由于中学生所学习的学科有八九科，即使“除开生物之外”，也还有七八科之多，显然空格处应填最高级。句意为：除生物外...
come和go都可用作系动词，它们有区别吗？仍然是“来”与“去”的区别吗？ 比如：The meat has gone bad. 句中的 gone 可换成 come 吗？
according to 主要用作状语，这我知道，但它可用作表语吗?比如： How did you do the work? It was according to what told me. 这句中的according to用得对吗?
有这样一句翻译练习：The soldier absented himself without leave for three weeks.我觉得句子本身有问题，without是介词，后面应该接动名词吧，但为什么接的是动词原形呢？
我写了这样一个句子： I finally became to like the subject. 意思是说：我终于变得开始喜欢这门课程了。 老师说我的句子不对，因为become后不能接不定式。请问，是我对还是老师对？我的句子真有错吗？
We were for the change, to a man.请问应该如何理解此句中 to a man 的意思和用法？
Mary, a White is waiting for you at the school gate.为什么用 a White 来作主语？
The remains have been identified as ______ of a Mr Thomas, who lived in Richmond. A. that B. those 请问是选 that 还是选 those？为什么？谢谢！
When the public did not buy their excuses they had to eat their words.请问句中的 buy 是什么意思？
With no rain for three months and food supplies _____ ,the situation here is getting desperate .A.run out B.has run out C.be runing out D.runing out 答案为d请问a 为何不行分析一下food supplies 与run out 之间的主被动关系，动作先后