I visit my grandparents four times a month.上文中的visit是do (to) visit的省略形式还是缩合形式,visit是简单的一个普通的单词呢?还是一个类似于can't,am eating,have drunk,would go这样的复合形式呢?谢谢回答。
Dev Kumar Thapaand Anshu Pandey, two scientists from the Indian Institute of Science, suggest a concoction of gold and silver nanoparticles achieves the Nobel Prize–worthy goal。这是在Scientific American上一篇文章中的句子,我感到困惑的是 achieves的主语是谁?是指...
The palace walls were illuminated with red lanterns—designed to recreate the feeling of the royal court of old—and a light show lit up the complex while the China National Traditional Orchestraand the Peking Opera performed. 这里的of old是看做形容词后置定语修饰royal court吗...
He ____ the key, so we ______ into the office.A. hadn't left; can't B. didn't leave ;couldn't have got C. hadn't left; could't getD. hasn't left; could't get答案是B,还是C?谢谢!
The millions of calculations involved, had they been done by hand, ______ all practical value by the time they were finished.A. had lost B. would have lost C. would lose D. should have lost请问:应该选哪个? had...
He suffered a lot of discomfort.He had been suffering from repeated stomach ache.请问, "遭受不适"和"遭受胃痛"感觉上是同一类的, 为什么一个句子用suffer ,另一个却需要用suffer from? 这 from repeated stomach ache 又是什么成分?
(1)She has to say she wishes the situation were a little better. (单数,为什么用were而不是was呢?)(2)He ordered them to get out of the store or he would had them all arrested.(为什么不是would have 而是would had? 另外如果句子是一般时态,是否可以用will hav...
...两个句子有些地方不太明白:He worked in construction up until a couple years ago.这里为什么不直接用until,为什么要加up?up until是双重介词中间省略了某个词吗?如果up是副词那它up是什么意思呢?I'm surprised that you of all people should say t...