It _____ over 50 years since humans _____ first steps on the moon.A. is; have taken B. has taken; tookC. has taken; take刚才看了老师们之前针对这类问题进行的讲解，感觉A和B都行请问正确答案应该是哪一个？为什么？句子该怎么翻译？
..., could 或 be allowed。These days, children can / are allowed to do what they like. 如今，孩子们可以干他们爱干的事。(不能说：... children may do what they like.)疑问：这样用的 may 怎么就不行呢？比如下面的句子不是很正常吗? 比如：You may do as you wi...
我在张道真语法书上看到:在主句中will或shall可以不出现, 例如:1.I will tell you the story while we are taking a walk 有时可以写作 I tell you the
story while we are taking a walk2.If you refuse, I will be ruined 有时可以写作 If you refuse,i am ruined 3.If you laugh, th...
...rs to
see clothes as disposable-meant to last only a wash or two, although they don’t
advertise that –and to renew their wardrobe every few weeks.
这里的 see clothes as disposable，其中的as和disposable分别是什么词性？以及see...as中的as是什么词性？
...师，我现在在双语网站看到一篇文章，其中一段是Earworms were reported throughout the night by participants, with those catching an earworm taking longer to fall asleep, spending more time in the light stages of sleep, and waking up more times during the night.请问粗体部分是...
...l firms today could re-creat the same threats to competition that(as) were feared nearly a century ago in the U.S.请问老师，1、例1中的句子the same+(force)+that，这里是省略了force吗？2、可以改为句中括号内的词吗，含义会发生错误吗？
2016年text3句子It argues that since prosucutors do not consume a company's products as part of their investigations, they could be influenced by the halo effect. 为什么consume前不加see或者regard？
That means price gains should moderate and it could take a while longer for homeowners who are under water to recover. 宾从并列句第二个里 “it”是做的形式主语 还是代词 亦或是其他成分呢？
...raws are by no means the biggest source (来源) of plastic pollution, but
they’ve recently come under fire because most people don’t need them to drink
with and, because of their small size and weight, they cannot be recycled.
Every straw that’s part of Von Wong’s artwork likely came from a...
They use tight controls on how people conducted themselves in the crowd and theyneeded to get as much mileage out of the event asthey could.much是否应该为much of,&n...
...omething for you. I’ve booked a table for two. There were an astonishing number of applicants for the job. We appreciate your efforts for the development of the company. It is time for us to leave.There is a ladder for climbingThere is a bell to ring.I...
But it's not all bad for the late nighters. In fact, they tend to be
much more creative, have been found to have higher cognitive abilities. and are
known to be risk takers. What they lack in white matter, they make up in
cortisol levels. 我在口译教材上看到，上面写到What…是make up...
...s or family contribution. Given that only qualified students, whose number takes up less than a half of the total amounts, have access to the scholarships and tuition is an amazing number for common families in China, people who are less qualified for scholarships and short for money to pay for the ...