...不是吧！但它们为什么可以用于祈使句呢？比如：Be sure not to forget it. 千万别忘记啦。Be sure not to become conceited. 切不可骄傲。Be sure to lock your bicycle. 自行车务必上锁。Be sure to turn off the light when you go to bed. 上床睡觉时一定要关灯...
Have you ever been sad because of failure? Please remember, for often, achieving what you set out to do is not the most important thing.请问，for这里属于什么用法，该用法除了often可否用其他词。谢谢!
...is introduced or new store opened, but the media may not cover the introduction or opening until after the time it would aid the firm.请分析和翻译下红色句子的句子
In the American economy, the concept of private property embraces not only the ownership of productive resources but also certain rights, including the right to determine the price of a product or to make a free contract with another private individual.
麻烦分析句子及翻译
Which questions do you not know the
answers to?Which ones do you need more
information on?上面的句子来自2019版人教版高中英语新教材必修一的 Unit 4（p57）。请问句末的介词起什么作用？为什么要加这个介词呢？可以不要吗？
...an average of two pounds and consumed about 500 calories more per day than they did on the unprocessed diet. During their time on the unprocessed diet, they lost about two pounds.这句话的during their是不是有省略？还有这个more放在500 calories后面，怎么理解？修饰哪个词？...
They were the victims of judges with hearts of stone and balls to match, or incompetent lawyers, or police frame-ups, or bad luck.老师好，judges with hearts of stone and balls to match中的and balls to match……怎么理解？
...accidents. 十几岁的男孩子开车总是很疯狂，经常出事故。Parents sometimes
find it difficult to communicate with their teenage children. 父母有时会发觉难以与他们十几岁的孩子交流。【真题例句】a teenage talent
and his teacher 一位天才少年和他的老...
Not only may agencies select for genetic traits,some fear parents may start to as well in what might be considered the most extreme application of genetic information-designing children. 请问这句话应该怎么翻译 in what mingt be …children这一部分作什么成分修饰谁