问题 to do还是to have done

...ad.A. to separate B. to have separated  老师，您好。此题究竟选A还是选B，我一直困惑不解。有人说只可以选A，有人说必须是B。您的看法是什么呢？为什么？ 

问题 enlist理解

The latest was a panel from the National Academy of sciences,enlisted by the White House,to tell us that the Earth's atmosphere is definitely warming and that the problem is largely man-made.这个句子中的enlist是什么意思？如何理解呢，求解

问题 这里的with是一个怎么样的用法

‎What are the usage of the preposition ‘’with’’ in ‘’with only a very small….’’During the breeding season, the amount of venom in the male platypus increases. This has led some zoologists to theorise that the poisonous spur is primarily for asserting dominance amongst fellow-male...

问题 不定式做后置定语

The latest was a panel from the National Academy of Sciences,enlisted by the White House,to tell us that the Earth's atmosphere is definitely warming and that the problem is largely man-made.为什么to tell是后置定语而不是目的状语呢？这种该怎么区分呢？

问题 common sense 的用法

It is ___ sense to knock the door before entering it.A. popular B. normal C. common D. average为什么选C而不能选B,两者有什么区别？

问题 一道英语选择题（根据答句He looks very strong写问句）

—————？He looks very strong. A.How Is Li Lei  B.How does Li Lei LookC.What does Li Lei like  D.How does Li Lei look like 这道选择题，答案为B,对于C选项我能排除，关于A选项的翻译是否只能是“李雷近况如何？”或“李雷（身体）怎...

问题 是动名词复合结构还是独立主格结构（请曹老师解答）

...充说明。类似的结构如：I have two cars, one of them being very expensive.（2）网友对句子的理解有误。主要是误解了冒号的作用。冒号的主要作用是表示同位关系。即a reversal of priorities和冒号后面的部分是同位关系。而人不可能是reversal ...

问题 考博英语单词选择题

... experience.A. Nevertheless B. Therefore C. However D. Furthermore是不是选B.therefore啊，我看网上有选D的。题2: Most hospitals allow fathers to be present ____ the entire labor(分娩) and delivery.A. at B. for C. in D. with是选 present with吗？还是选C.in？

问题 将来时间表示法选择

We can't go for a picnic. It  ______ this afternoon.A. rains     B. is going to     C.  is raining      D. is to rain选哪个或那几个，为什么？

问题 不定式逻辑主语

... that the Earth's atmosphere is definitely warming and that the problem is largely man-made. 1.请问这里的enlisted by the White House是作定语吗？ 2.不定式to tell us that...修饰谁？逻辑主语是谁？

问题 2012考博上海交大考博选词填空

选词填空题干：Choose one appropriate word from the following word bank to fill in the blanks numbered from 1 to 15 in the passage below. Change the word form where necessary. Remember the bank contains some extra words that may not be used in filling any of the blanks. Write the words in thei...

话题 expense

话题 expensive

用户 expensive

问题 这道题选一般现在时还是一般将来时

It is likely that our team ______ the game.A. won           B. will winC. wins          D. has won这道题选一般现在时还是一般将来时？