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问题 to的用法疑问

您好，请问这句：Some pets are abandoned by their owners to and ... 其中 to 属于什么结构？去掉to呢？

问题 yet的用法

When and where to build the new factory is not decided yet. 请问句中有yet为什么不能用has not decided呢？

问题 主动表被动

请教老师们：Jonda struck again with all her might and this time ，mercifully，the window broke into little pieces中为什么broke不用was broke呢？ 先谢谢老师们回答！

问题 as...是什么成分

The extent of their deception and distortion may come as an unpleasant surprise.请问这里的as是什么成分？

问题 not的用法

Texan frackers respond to price signals and the profit motive, not government quotas.我想问一下not不是副词吗？为什么能直接否定一个名词呢？

问题 句子结构分析

The winding course of the stream continually shut out scene behind us and revealed as calm lovely a one before. 这里as后面没咋看懂，老师能不能分析下？谢谢！

问题 谓语动词的数量

请问老师，He sang and danced in the lawn. 这句话的sang和danced是两个谓语动词还是算作一个整体？一句话只有一个谓语动词的说法是否正确？

问题 英语句子改错

献上改错题一道，与大家分享:Ha Jin is an eminent Chinese-American writer noted for both his novels and even poetry. 此句中有一处错误请改正。谢谢！（难度系数：一般）

问题 难句理解

Besides, we can improve the technology of tracking user’s movement, which requires cameras and beacons to be applicable. 请问老师，这里的to be applicable做什么成分？应该如何理解？

问题 比较级的疑问

It is getting hotter and hotter.It is getting hot.  这两句有何区别呢。意思都是一样的么？

问题 since做副词

Weaver has since died of a heart attack, and the case remains open.此处的since是不是单纯作为副词，表示类似于“那会已经”的意思？

问题 翻译问题

And our efforts to achieve these goals hold out great potentials for development.问：这句中hold out 是啥意思啊？我查字典(朗文)1.抱有希望2.维持3.守住4.坚持，可放进去都不通啊，那倒底此短语还有什么意思？

问题 event后接定语从句用什么关系词

请问：当先行词是event时，名词even之后的定语从句用什么关系词来引导？是用that, when还是where？请老师各举几个例句，谢谢！

问题 control在文中怎么理解

Last month, after analyzing figures on epidemics since 1960, The Economist concluded that people die at a higher rate from such disease outbreaks in authoritarian countries than in democratic ones, even controlling for income levels.请问control for在这里是什么意思？

问题 情态动词选择题

China is going to use AI to protect the Great Wall．Great! AI is so helpful that people_____use it in many fields now．A．Must B．can C．should请问这题要选什么？答案说选C，但我认为B更合适。各位老师怎么看呢？