—When ____ the next train leave for Boston,please?—Usually at 13:15 but because of a small accident on the line,it ____ at 13:45.A.dose; is going to start B.will; startsC.will; is to start D.dose; will start第一个空和第二个空问什么？谢谢！！
...ations like those of the past, which made obsolete the job of buggy maker, but created the job of automobile manufacturer?句中which made obsolete the job of buggy maker，怎样理解，这是什么结构呀？obsolete是adj.做宾补的话为什么放宾语前面呢？谢谢老师！
Strict discipline is sometimes important,but it would have an adverse impact on children’s problem-solving abilities.
这个句子中的为什么要使用would呢？如果去掉或者换成别的情态动词可不可以呢？
would除了表示will的过去式，表示意愿之外还有别的用...
So only on rare occasions when it's absolutely important to use the word "no".But the etiher-or, or when-then choices. when you've done these order things.老师，这两句话是都没有主语吗？这是听力的对话中的两句话，是什么用法？
But,for a small group of students,professional training might be the way to go since well -developed skills,all other factors being equal,can be the difference between having a job or not.1、独立主格结构包括分词作状语，是否能够穿插在从句当中？并作什么成分？修饰的...
But a new study finds that there's another group of adolescents who are in nearly as much danger of experiencing the same psychiatric symptoms: teens who use tons of media, don't get enough sleep and have a sedentary (不爱活动的) lifestyle.总感觉这里的as是在比较，但是只有一个as...
But when presented with a thicker, stiffer hose that was difficult to
manipulate, Mary relied more on her trunk. For the purpose of showering Ms.
Kaufmann said, Mary seemed to understand that the bigger, heavier hose was
"just not as useful."这句话最后的as useful是不是有省略？这里的j...