1）She's
looked on as the leading authority on the subject. 2）Sean
Solomon, from the Carnegie Institution of Washington, is the lead scientist on
the project. 第一句使用了leading，第二句使用了lead，从句意形式上看，似乎leading =
lead，但经常遇到类似题目，只能...
1.被动语态结构是：be done，在解释为什么是这个构成时，可不可以说be是谓语动词，done就只能是非谓语动词的形式？因为有人会写成be do的形式，该怎么说明为什么写done呢？2.I have always tried to help in need. 在这里in need做状语修饰he...
Wherever the root of the problem lies—be it the education system, government policy or corporate recruiting practices—it needs to be identified and fixed.请问老师这里的be it 该如何理解，感谢老师！
... putting away the box with those candles in,I could finish the decorations now.没看懂remember后的句子成分和句意：where it was 和 that I saw someone putting away the box with those candles in是什么关系呢？ 麻烦老师分析一下句子成分，谢谢！
Ever since her childhood, Ginni, now
71, has had a deep love for travel. Throughout her career (职业) as a professional dancer, she
toured in the UK, but always longed to explore further. When she retired from dancing and her sons
eventually flew the nest, she decided it was time to take the plu...
...e, but for business. Within 10 minutes of the main refugee camp in Jordan, there’s a huge, empty industrial zone. All fully equippedwith infrastructure, just waiting for businesses to go there,” he said.疑问：Within 10 minutes of the main refugee camp in Jordan, 这句话的意思大概理解...
...left the bathroom without washing himself.2) He left the bathroom to be unwashed.请教老师：a）He left the bathroom unwashed. 可否这样理解：把the bathroom unwashed看成一个整体, unwashed是the bathroom的后置定语，然后整个作left（离开）的单宾语，意思是...
________, John returned to school from his hometown．A. Because the summer vacation overB. The summer vacation is over
C. After the summer vacationbeing overD. The summer vacationbeing over 答案是D，疑惑的是Being done 的结构 正在进行被动， D项是独立主格结构...