看到以前有网友提问：From then on, I ____ to the forest four times a year A.had gone B.have gone C.went D.will go 选的c，当然c肯定是对的，但我有别的疑问I have called him three times this morning 这句是语法书里看到的。我的理...
...re so chaotic that both driver and pedestrian often endanger lives through no fault of their own. 请问老师，原句的意思是“司机和行人处于生命危险的原因不是自己的错误”是吗？通常我们是在谓语动词前添加not。句中的这种否定，通常什么情...
...oup of
volunteers collected more than 10,000 pieces of plastic, which were then tied
together to look like they’d been dumped (倾倒) from a truck all at once.Von Wong hopes that his work will also help pressure
big companies to reduce their plastic footprint.【材料来源】▲网址：▲截...
Hanfmann and others were struck by Nadal's dedication to chasing every shot down. By a refusal to accept defeat, no matter the deficit. By his longevity and consistency - nearly 18 full years in a row ranked in the top 10.这句话的no matter the deficit有省略吧？shot down在这里是挫折的...
...e how I parse the sentence. Initially the sentence looked wrong to me, but then I imagined hearing it spoken dramatically, with "that" emphasized, as in an old-fashioned sermon, and everything fell into place for me.I understand "that" to be a pronoun, which does not necessarily ...
书上说，不能说The train arrived at Platform No.3 is from Shanghai.只能说The train WHICH HAS arrived at Platform No.3 is from Shanghai.理由是:arrive是不及物动词。但是却可以说The train just now arrived at Platform No.3 is from Shanghai.理由是：因为arrive前有副词just...
...ther and saw other people either up trees or preparing to go up trees, and then I noticed a man standing23 there directing them, a sort of foreman, and began to wonder what on earth was going on, and then on the ground I saw there were all these polythene buckets and they were full of pine cones2...
...数时候，都是做静态动词，表达一种状态，比如例句:A: Since when do I need your permission?!B: I need you help.A, B两句是不是都是表达了一种延续事件或者说延续状态？另外我还想问一下这句话是否正确呢？Since when have I been needing you permissi...