...o support laid-off workers and stimulate the economy is already mired in confusion that threatens to leave millions of jobless Americans waiting in vain for help from Washington.请问句子为什么有三个动词， 该怎么理解呢？
Understanding the exceptional increase in population in China requires giving up commonly held assumptions (relative to the phenomenon of population growth).划线部分 是动名词词组吗 &n...
Whether you are a working professional interested in doing all you can
to stay mentally sharp, there are lots of things which you can do to improve
your memory and mental performance.请问老师，in doing all you can为什么后面没有do，这样定语从句不是缺少谓语动词吗？
In some European countries, the salaries and pensions of working people
have been cut because governments are in debt to control banks and lenders.请问老师们，这里的不定式是做什么成分？
老师好！想请老师详细讲解一下这句话。The 15 wild Asian elephants among
which one male turned back in July finally returned to their habitat after
touring for 17 months in Yunnan Province.
看见有网友提问下面的问题：In World War Ⅱ, Japan hoped ________ its power to the whole Asia, and it did not succeed.A. extend B. extending C. to extend D. to have extended答案一般都是给D，考查hoped to have done，表示“本想做某事（但没做成）”。但这个...
Though typically about two inches taller now than 140 years ago, today's people - especially those born to families who have lived in the U.S. for many generations - apparently reached their limit in the early 1960s. 这里的typically该如何理解？
It's estimated that more infrastructure 800 million people around the world don't have safe drinking water, and even in the US, cities had to use bottled water instead of tap water.原文链接：Problems with bottled water – level 3 - News in Levels此句中“more infrastructure”后面直接...