Determine the Parties to the ContractThere are two parties to most contracts, often a buyer and a seller. Make sure the contract accurately identifies the parties.这两个介词to都表示，“对于.....而言”的用法吗？
What was a butterfly to do among bulls and bears?这句特殊疑问句怎么理解，其中的 to do 是定语吗？我的疑问是：这句特殊疑问句不是应该像下面这样的吗？What does a butterfly to do among bulls and bears?
With the food ______, he had to go out.to buy something.A. running out of B. run outC. running out D. ran out答案为C，food 与running out 的主被动关系是怎么样的？the food 不是被 run out of 的么？of 后不应该接宾语么...
The airwaves are a shared medium to improve performance, you need to be spectrum efficient 802.11ac is all about optimization to do that. 请帮忙分析一下，逗号后的句子，结构上怎么断句？
... They point out that the main impact of two, such as atmospheric pollution and energy consumption are the direct or indirect results of the cheap air travel .They say that cheap airlines in order to save the cost of flying, no longer provide food and drinks to the passengers, no longer provide books...
...谓语动词：having finished；谓语动词：went）I felt very proud to have served my country （非谓语动词：to have served ；谓语动词：felt ）能不能这样呢？为什么？To have finished his task，he went out. I felt very proud having served my country.
...，作宾补?21.
Graduation is a good time to thank those who have helped you through thetough
years.这里to
thank的逻辑主语是什么。To thank是修饰什么呢? 做什么成分?22.
We promise whoever attends the party a chance to have a photo taken with the
movie star.这个句子是双宾...
关于to the best of one’s ability 的用法，我已知它的意思（尽力，竭尽全力），在词典中也可查到例句：Just try to do the job to the best of your ability. 试着尽你所能将工作做好。He completed the job to the best of his ability. 他尽全力完成了工作。...