找到约 40000 条结果

问题 复数形式的knowledges用得对吗

The Internet has become an important part of teenage life. Most of them use the Internet to get lots of knowledges and information, and to relax in their spare time.不是说 knowledge 是不可数名词吗？这里为什么用复数？

问题 ​独立主格中过去式和完成被动式的区别

独立主格中，the thing done 和 the thing having been done 有什么区别？谢谢老师！

问题 to no avail的用法

His efforts were to no avail. He ordered that buildings be torn down, to no avail. 这两处的to no avail 用法是什么？to no avail 不是副词词组吗？为什么可以用在were后面？那第二处又是什么用法呢？

问题 情态动词的相关问题

—It's really great to have a computer to store my photos.—Don't count on it too much. It 　　　　 break down and you'd better make a copy of them.A. must  B. can  C. should  D. will老师，这题表示可能，C和D，为什么不能选呢？

问题 busy 的用法疑问（以summer vacation作主语）

My summer vacation was busy.I have a busy summer vacation.可以这样表达吗，百度有的说可以，有的说要人做主语。

问题 as considerately是什么结构（as的用法）

Would that everyone treated me as considerately.请问句中as considerately是什么意思呢？为什么有as出现？as在此是什么用法呢？as可以去掉吗？

问题 a most 和 the most 的区别

a most 和 the most 都见到过，它们为什么一个用不定冠词，一个用定冠词？老师说这与语境有关，不明白与什么语境有关。请老师指点，谢谢！ 

问题 of 和 among 的区别

Over the past few years the government has performed so dismally on law and order that it has ceded the initiative to, of all people, Jeremy Corbyn.我查阅了 "of all people" 可以翻译为  在所有人中，那么为什么不用 among 呢？

问题 south,the south 的区别

The Panama Canal extends about 800 kilometers__________. A. from south to north  B. from the south to the north Why the answer on my book is A? I doubt it .

问题 come up with的用法

It is the government's responsibility to come up with ideas on how to lessen the pressure of work and help the marriage couples enjoy more of their time.to come up with ideas 作定语修饰 responsibility是否可以？

问题 after和in表示将来时间的区别

She will go back in three days.She will go back after three days.in three days表示三天之后，after three days.也表示三天之后，两者意思一样吗？

问题 句子单词flow和investment的意思疑问

Hot money follows around the world looking for investments that will yield high returns.1.在这里flow是什么意思？2.investment意为“投资”时，是不可数名词，为什么这里可以加s呢？

问题 in / for / over / during the last five years 的区别

表示“在过去的五年中”，以下四种说法都见过： in the last five years for the last five years over the last five years during the last five years 请问它们有区别吗？

问题 have the cheek to do sth中的不定式作何成分

请问专家老师，She had the cheek to say such a thing. 这个句子中的不定式是什么成分？

问题 一道选择题（为什么不选不定式的被动式）

There are five pairs ________,but I’m at a loss which to buy.A. to be chosenB. to choose fromC. to chooseD. for choosing为什么不选不定式的被动式，请详细解释一下。谢谢！