Yet some experts don’t expect a children’s vaccine will be ready by the 2021 school year because of how long trials take, even on the accelerated timeline for Covid-19 vaccines. 黑体字是间接感叹句，还是，名词性关系分句？
...：If the greedy little Gradgrinds grasped at more than this, what was it for good gracious goodness' sake, that the greedy little Gradgrinds grasped it!求指教！老师，请问that从句是指代前面的 it 吗？what was it中what和it哪个是主语呢，这里使用感叹号而不是问号...
Project scientists looked for a ring of light around an area of darkness representing the black hole. This is known as the black hole's shadow or silhouette.第一句中分词representing的逻辑主语是谁？
...essional Rubik'sCube (魔方) B-level
exam.She also holds the world record for a erson over the age of 60 to solve
the Rubik's Cube blindfol-ded(蒙上眼睛的).这里意思不就是通过这个考试了，为啥用 to pass? 为啥不用 passing?
...as the city sprawl continues into the distance, giving way to bright green forests and hills, the stunning landscape Guilin is famous for.
1.请问giving way to bright green forests是see sb doing sth结构中的部分吗?还是现在分词作状语修饰前面的 as city sprawl continues...
2.the ...
There you are! I have been looking for you everywhere. This is the last place in the world I _______ to find you.A. would expectB. would have expectedC. have expectedD. had expected
请问一下。English is an international language which becomes important for modern world,中word是世界还是时代，世界的话，加the成the world，时代是不是不加the呢？类似in modern times就没定冠句。谢谢了！
An app created forthe purpose leads walkers from starting point to finish by means of a chain of photos,each image taking over from where the previous one leaves off.每张照片都在前一张照片拍摄的地方接收。问一下，这个定语从句的先行词在哪里呢？take over from sth...
...p;decide to do it without asking anyone for permission or approval. 擅自决定做Knox had taken it on himself to choose the wine. 诺克斯已擅自主张选了这种葡萄酒。He took&nb...
...nd Europe brought silk and spices as well as
many plant species to Britain
for ___61___ first time. These plants included modern Western ___62___
(favorite) such as rosemary, lavender and fennel. The garden also contains a
winding path that guides visitors through the twelve regions of the Silk Road...
...否单独用 or not 来表示“是否”。如：We’ll go abroad or not for our holiday depends on how much it costs.We’ll go abroad or not for our holiday according to the cost.