...s of clear skies but also more days than in 2016 of the worse,choking smog,when daily PM 2.5 levels rise above 300.The annual average level remains about 25% above the target set in the national action plan ,and well above the levels that pertain in big Western cities—hence the emergency measures....
The local government aims to increase that to over 27% by 2020 as part of their campaign to become China’s ecotourism destination.请问这里的as part of their campaign to become China’s ecotourism destination.作什么成分修饰谁？
...可以这样回答吗？shall用作情态动词时可以用于第一人称的肯定句吗？）Should he do homework now? No, he shouldn't. Yes, he should.(这个应该没错吧)Would you please open the door? Yes ,I will. NO, I won't.(此处是用will还是用would来回答呢？) &nbs...
From then on, I ______ to the forest four times a year. A. had gone B. have gone C. went D. will go曹老师，请问，这个题的用法是不是和前几天提问的那个题一样，都是现在完成时表习惯？所以要选B。From then on, I have gone to the...
The conventional theory is that people yawn when bored or sleepy because yawning raises blood oxygen levels, which in turn raises alertness.whchi in turn 在这里不是否定吧？是进一步吗？
请问老师在这道题中：But for his help, we____(work) now. 答案给的是would be working，感觉否定是不是也对，即wouldn't be working, 我的答案填的是wouldn't work可以吗？这里now不是此时此刻，而是当下这一段时间的概念，或者说出现now的句子一...