I will have to take several lessons of you ______ I CAN expect to do this on the computer on my own.A. while B. when C. before D. once答案为C，请问是什么意思？while 不可以么？意思挺通顺的。
Thver of the 2009 Honda Accord -- Richard Rojas, 26, of the Bronx -- tested positive for PCP and told police that God made him do it, a law enforcement source told CNN.上文中的tested是主动表被动吗？为什么前面没有be动词的过去式，感谢老师的回答。e dri
But he (the writer) has his reward, for he is trusted and convinces, as those who are at the mercy of their own eloquence do not.选自文章 The Cardinal Virtue of Prose.这里的 convinces 是什么用法？convince 不是及物动词吗，不可以这样用吧？
Do not let yourselves be discouraged or embittered by the smallness of the success you are likely to achieve in trying to make life better.个人觉得这句话中的从句是定语从句，但是实在想不通you前面省略的关系词是什么，如果是关系代词that的话，that又没有在...
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our view of what future urban parks will look like and what it will do.请问这句话中的of urban landscape是不是修饰performance，如果是的话请问如何翻译？城市景观的行为？如果是修饰datasets的话，请问中间为什么要加一个on the performance割开呢...
By doing so (such), we may discover the benefits of simply watching a sunset.这句话中，so为什么不能换为such？such也可作代词，比如：We were second-class citizens and they treated us as such.
Advertising has everything to do with images, dreams and emotions; stuff we are programmed to engage with but which is, almost without ecxcepion in the ad biz, fake.
这个句子分号后只有一个名词规范吗？或者说省略了（They are）还有它的定语从句结构是省略了第一...