...ncertain, and drawing from libraries all of her knowledge, she walked into the room for her comprehensive examination,with a feeling that was certainly not calm, because there would always be the unknow. (From “Sentence composing for college”)此句中 because there would always be the unknow ...
...解C文中的：El Nino sees warm water, collected over several years in the western Pacific, flow back eastwards when winds that normally blow westwards weaken, or sometimes the other way round. 请问句中的过去分词短语collected over several years in the western Pacific 是什么成分？...
...知道这么写是对的： We would have got it signed if we had been at the event, but it didn't happen.那么如果用when来写，该怎么写呢？是否是：We were planning to get it signed when we were at the event, but it didn't happen.（但是这句话when修饰整个句子，意...
About two-thirds of the precious firewater ended up lubricating the banquets of government and military officials—and their bank accounts when they sold the pricey gifts back to shops.
In all the work I have done as president,every decision I have made,every executive action I have taken,every bill I have proposed and signed,I've tried(就是这里)to give all Americans the tools and conditions to build the future of our dream.
这里的have tried，想一想好像有三种理解...
Mental health is the seed that contains self-esteem—confidence in
ourselves and an ability to trust in our common sense. It allows us to have
perspective on our lives—the ability to ‚not take ourselves too seriously, to
laugh at ourselves, to see the bigger picture, and to see that things will...
...明白 loose and free 是什么意思？附上下文：First of all, lean the
technique of nonstop writing. When you are first trying to think of ideas for
an essay, put your pen to your paper and write nonstop for ten or fifteen
minutes without letting your pen leave the paper. Stay loose and free....
Other scientists also said the proposal looked promising but could not evaluate it fully because the details had not been published． 本句中的but后面是不是省略了分句的主语了呢？谢谢