问题 这里为什么不是on？

These hotspots are significant because they allow us to locate key areas for focusing efforts at conversation.雅思听力这句话，为什么是focusing efforts at conservation 而不是 on呢?

问题 如何理解dozen的复数形式+more+stricken whales

Most of the 500 whales stranded off Tasmania have now died. Dozens more stricken whales have been found in Australia’s largest ever mass stranding. The estimated total now stands at around 500, with the majority of that number dead and a tenth rescued by authorities on the Island state of Tasman...

问题 虚拟语气的问题

...B说：If they(=C) were aware of the incident, they would have told us by now. 我理解这是个真实条件句，主句是对过去的推测。我不明白的是这里：语境中到A和B说话的时间为止(即句子中的by now)，C并没有通知A和B说已经知道这个事故。那么按照...

问题 easy用作副词的疑问（be easy caught up-2017浙江卷）

... 2017 年高考英语的浙江卷读后续写：Mac was pedaling hard now. He waved and yelled at passing cars but was careful not to slow down. He saw a steep uphill climb before him. He knew that once he hit the hill, he’d be easy caught up and the wolf’s teeth would be tearing into his f...

问题 这里为什么用一般现在时

...Hi,Kevin.Your roommate told me that I could find you in the TV lounge.What are you doing here? B:What does it look like I am doing? A:Well,it looks like you are watching television.But we have a linear algebra midterm tomorrow,so I thought you would be studing for it and I can study with you.(这...

话题 Until then还是Until now

话题 for hours还是for now

问题 or连接两个介词短语时介词的省略问题

...or your work? 你学英语是出於兴趣还是为了工作? You can get there by plane or by boat, but in either case it’s very expensive. 你可以坐飞机或坐船去那里，但两个办法都很贵。

文章 英语基础语法快速入门——介词

...是名词或代词。如：We swam in the river. 我们在河里游泳。There aren’t enough chairs for everyone. 没有足够的椅子给每个人坐。第一句中的名词the river用作介词in的宾语，第二句中的代词everyone用作介词for的宾语。注意，如果是人称代词用...

问题 如何理解肯定句中的can be

There can be very little doubt about his guilt.can be表示可能性用在肯定句中表示一时性，有时的含义。那么这句中的can be难道也是一时，有时吗？没想明白。

问题 are后是否缺少成分？

As amazing as you already are,you can be even more so.

问题 are more powerful a tool有语法错误吗

Long-term goals are more powerful a tool to drive young people on through their life time.请问这个句子有语法错误吗？可以这么表达吗？

问题 现在分词问题

There being no money, he could buy nothing.请问各位老师，去掉there后这句话成立吗？感谢老师们帮助。

问题 by one's regard 在本句中是什么意思

...to pierce his armour of complete indifference. I knew also that in the end there was truth in what he said. Unconsciously, perhaps, we treasure the power we have over people by their regard for our opinion of them, and we hate those upon whom we have no such influence. I suppose it is the bitterest ...

问题 no/not/nothing/little more than的不同之处

...(即鲸不是鱼就如同马不是鱼一样)。no/ not more than不超过There are beautiful mountains not/no more than ten minutes' drive away.开车不超过10分钟，就能看见峻秀的山脉。Choose no/not more than three options. [=choose three options or fewer]选项不得超过三个（...