Many of the world's great cities are located on rivers, and almost every country has at least one river flowing through it ________ plays an important part in the&nbs...
He realized that it was because there weren't enough trees to protect
them from the heat.请教一下老师，这句话是同时包含宾语从句：that it was because there
weren't enough trees to protect them from the heat.和表语从句：because there
weren't enough trees to protect them from ...
Anyone who commutes by car knows that traffic jams are an inevitable
part of life. 句子出处，http://www.kekenet.com/broadcast/202009/617806.shtml traffic jams are an 为什么谓语动词是复数are，后面用an？traffic jams are an....part 为什么jams复数，后面用冠词an?
Starbucks reported last month that comparable sales growth could be as low as 1 percent over the long term, sparking concern that competition and cannibalizationare taking their toll.as low as这里相当于副词吗？ 修饰 1 percent？
If you are due a refund, you must file a federal income tax return in order to get your money.Any money due you will be sent by cheque through the post.（朗文词典）due一般是形容词，这里的due是形容词吗？我感觉像介词，但是词典里确实是放在形容词词性里...
...ourselves be discouraged or embittered by the smallness of the success you are likely to achieve in trying to make life better.个人觉得这句话中的从句是定语从句，但是实在想不通you前面省略的关系词是什么，如果是关系代词that的话，that又没有在从句中做...
... that he was opposed to using this unusual animal husbandry technique to clone humans , he ordered that federal funds not be used for such an experiment—although no one had proposed to do so—and asked an independent panel of experts chaired by Princetonon President Harold Shapiro to report back...
...的动词都可以用？疑问9：Here comes the bus!公共汽车来了！There goes the bell.铃声响了。这两个例句，是不是特殊用法呢？转态动词表现在进行？-------------------------------------------------------望老师答疑解惑，感谢老师！
...的动词都可以用？疑问9：Here comes the bus!公共汽车来了！There goes the bell.铃声响了。这两个例句，是不是特殊用法呢？转态动词表现在进行？-------------------------------------------------------望老师答疑解惑，感谢老师！