But now, we can even gain new knowledge in WeChat study groups, covering everything from photography to English.上面这句话是否正确？这种逗号分隔开的非谓语动词的逻辑主语不应该是整句话的主语we吗？
请问老师们，2021高考甲卷(2021全国卷Ⅱ)语法填空中有这么一句话：It was built originally to protect the city _____ the Tang dynasty and
has now been completely restored. 参考答案上给的是in，我想问填during可以吗？谢谢老师！
下面一句摘自2015年高考英语天津卷的“阅读表达”题：No. I go back years ago, when we lived in a three-room house, when we got up before daylight and worked till after dark to make ends meet. 请问这里的 years ago 为什么是连用一般现在时呢？
He asked her about the contents.“When we were to be married (marry),”she said,"my grandma told me the secret of happy marriage was never to argue, and I should just keep quiet and make a mat when I got angry with you."
老师，这里的were to be married 怎么理解？ 虚拟语气吗？
还...
...话：在夸克大全 18.35 Extraposition of a clausal object中写道：When the object is an -ing clause in SVOC and SVOA clause types, it can
undergo extraposition; when it is a to-infinitive clause or a that-clause, it
must do so我的疑问：只见过SVOC句型有形式宾语it的情况，没...
It must have been a gas that could burn but that would not explode, a gas that did not smell strong, and a gas that did not kill people.1)不用must have been, 改成was， 则2句理解上有何不同呢？2）这是定语从句，句中第一个that能理解，后面but that如何分析成分呢...
各位老师好，Crises in international diplomacy do not always result from malice; for nations, like individuals, can find themselves locked into difficult positions, unable to back down.A. do not always results from malice; for nations, like individuals, can findC. do not always result...
These
were not traits which I could imagine in Strickland. Love is absorbing; it
takes the lover out of himself; the most clear-sighted, though he may know,
cannot realise that his love will cease; it gives body to what he knows is
illusion, and, knowing it is nothing else, he loves it better than r...
It stopped raining for a while,but now it is raining again.I lost my wallet for 2 days,but I found it in the morning.请教老师这里的stop与lose为动态动词，也不是表示目的，为什么可以跟一段时间呢。
Now no product seems ______ able to occupy the market.A. have been B. to be C. to have been D. being 答案是B。请教老师，是否可选C？B 表示似乎将要占领市场， C表示似乎已经占据了市场。所以，C是否也正确呢? 谢谢老...
...ng to the
other, encounters a line of antibodies designed to recognise it. When the
sample is urine and the antigen is a hormone found in expectant women, you have
a pregnancy test. When the sample is mucus from a swab and the antigen is the
spike protein, it is a covid-19 test—a cheap, convenient...
Shanghai _______ (be) a small town hundreds of years ago.
Now it ______ (become) a large city.
第一空应是was,第二空应该是becomes还是has become？又或者两者都可以？盼望专家老师解惑。上一次学生打错字了，请见谅。