Economy
is one powerful motive for camping, since after the initial outlay upon
equipment, or through hiring it, the total expense can be far less than the
cost of hotels.请问为什么两个
since after 连在一起用啊？
Writing was so difficult and painful for me that my teacher
had allowed me to present my paper on the sinking of the Titanic by
acting out a play, where I played all the parts.请问专家老师，这里的 where 引导的是什么从句啊？定语从句？它前面的 play 算是地点吗？
The
peachful landscape of the "Emerald Isle" and its many counites is a true feast for the eyes, with its
rolling green hills dotted with sheep and cattle.句中为什么用is？
...hn stole it.) (UEG)I regret
wasting/regret having wasted so much time last year. (OGEG)这种情况下不能用regret to have done形式。例如，LDCE指出：When you are talking about the past, use regret
doing sth or regret that. 例如：I have often
regretted leaving the police force.I now re...
...关说明的情况下认为下面的句子是错误的：I know to answer this question. (及物动词+不定式) (错误)二、对know to do sth的正确理解事实上，know后面能不能接to
do sth，取决于我们要想表示什么意思。1. 如果我们要表示“知道如何做某事”...
...一些疑惑：①If I were you,I would study much harder. ②If I taught this
class,I wouldn't give tests.我们老师说的是都是对现在的虚拟，但是我一开始理解为if从句是对现在的虚拟，而主句我觉得是对将来的虚拟，就是我觉得这句话是错综时间虚...
A more recent opinion suggests an appreciation among revelers for all five senses: sight, taste, smell, and, with the clinking, sound and touch.分析一下红色的句子并翻译。appreciation在句中是什么意思？应该怎么翻译好？
And if you turn left then it continues with the program.If, for example, you turn right, then it's a mistake, so it loops back and it gives you further instructions.请问：句中的 loop back 是什么意思？
Chinse Spring Festival is the most magnificent and the most important festival for Chinese.请教老师，原句可以是 the most magnificent and important festival吗？如果可以，两句区别何在？谢谢老师。