找到约 60000 条结果

问题 此题为什么要用将来进行时

By the time you arrived, I_______, so you don't disturb me. A: will have slept B: will have been sleeping C: will be sleeping D: will sleep 答案是C，why？ A，B为何不可？

问题 attack与land的区别（bomb作主语时）

A bomb _______ in an orphanage and several children were wounded.A. attacked       B. landed答案选B， 但是 A 为什么错了呢？

问题 名词性句还是定语从句

...好。Tired and disappointed, the resure team finally reached ______ used to be a village.这里的空填what。 答案说这是名词性从句，但我觉得空前面不缺成分，reach 不是个不及物动词吗？后面又缺成分，应该是个定语从句啊。谢谢老师的解答。

问题 a pack of...作主语谓语动词用单数还是用复数

a pack of...的意思是“一群；一帮”，它用作主语时，谓语动词用单数还是用复数呢？如：A pack of thieves ______(be) caught by the police last Saturday.

问题 love of life还是love for life

He always had a great love ______ life. A. of   B. for   C. at    D. with本题不太可能选 at 和 with，但如何区分是选 of 还是 for 呢？

问题 date, dating, dated 的区别

Thank you for your letter ______ (date) August 30th.请问：如何填？理由是什么？谢谢！

问题 the friend of my father's有错吗

A: Who gave you the ticket?B: ______ friend of my father's.A. The       B. A所给答案是 The, 为什么不能用不定冠词呢？

问题 according to还是by

It is just 8 o’clock _____ my watch.A. by     B. according to请问如何选？

问题 the cover of which是什么语法

He showed me a book, ______ I could tell that it was pretty old.A. which coverB. of which coverC. the cover which D. from the cover of which为什么选 D? 这为什么要加from? 还有这 the cover是哪来的，这不是非限制性定语从句吗?

问题 It’s difficult后接动名词还是不定式

表示做某事有困难，英语是在 It’s difficult 后接不定式还是接动名词？比如：It’s difficult _______ airports safe from terrorist attacks. A. to make        B. making

问题 如何理解 As you told me

______ you told me, I had no idea of it.   A. Until  B. When  C. While  D. As 答案为 D。请问怎么理解，答案对么？谢谢！   

问题 语法填空里什么时候用不定冠词和定冠词

语法填空习题里出现了这样一个空：These are called polymorphic. "polymorphic" means______ ability to take different forms. 答案给的是 the，请问此处为什么不能填 an。前文也并没有出现 ability。一般来说语法填空里填定冠词都是前文有出现同样词...

问题 as much an art as怎么理解该结构

...么意思呢？该怎么理解？我之前看到另一个结构，as much of a /an+n. +as ，该结构中“of a/an +n.”相当于一个形容词，表具有后面那个名词的性质。上面那个结构也是这个意思吗？那为什么会少了一个of呢？请老师解答，十分感谢！

问题 great advances,huge advances,big advances的用法

Science has made _______（大） advances in the last fifty years.答案是 great，请问填 huge, big 可以吗？

问题 关系代词的辨析与选择(that,who,but)

There is no one _______ needs food and water.A. that      B. who     C. but     D. doesn't请选择。